Mathematics Middle School

An electric toothbrush costs $56, including a 40% price markup. What was the cost for the store to purchase the electric toothbrush?

A) $22.40
B) $30.00
C) $40.00
D) $64.80

Answers

Answer 1

The cost for the store to purchase the electric toothbrush will be;

⇒ $22.40

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

To Calculate the percent of a number , divide the number by whole number and multiply by 100.

Given that;

The cost of electric toothbrush = $56

And, The price of markup = 40%

Now,

Since, The cost of electric toothbrush = $56

And, The price of markup = 40%

So, The cost for the store to purchase the electric toothbrush is;

=  (40% of $56)

= (40/100 x 56)

=  $22.4

Thus, The cost for the store to purchase the electric toothbrush will be;

⇒ $22.40

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Related Questions

Alexander is a stockbroker. He earns 11​% commission each week. Last​ week, he sold ​$5,300 worth of stocks. How much did he make last week in​ commission? If he averages that same amount each​ week, how much did he make in commission in​ 2011?

Answers

He made $583 last week in commission
$583 X 52= $30,316 for the whole year

Step-by-step explanation:

He made 5,300÷100.11=$583 last week in commission

$583 X 52= $30,316 in​ 2011

Buddy the Elf has already eaten spaghetti with syrup that was 1300 calories. If he eats candy canes that are 80 calories each, write an equation to represent the total calories (y) after eating x candy canes.

Answers

Answer: y=80x+1300

Step-by-step explanation:

You are trying to find y, so the equation starts off as y=

Since x represents the candy canes, and each one is 80 calories, you woukld have add to your equation: y=80x

Finaklly, you have to take into account the calories already consumed, which is 1300 calories: y=80x+1300

1300 plus x times 80equals y

Help me out please :')

Answers

Answer:

-2, 0.4, -9

Step-by-step explanation:

hopes this helps please mark brainliest

The answer is -2, 0.4, -9

How many sides do 4 hexagons and 1 heptagon have in all?

Answers

4 hexagons has 24 sides and 1 has 6, so if all together 30 sides

Answer:

31

Step-by-step explanation:

1 hexagon is 6 sides multiply that by 4 it equals 24 then 1 heptagon has 7 sides and whats 24 + 7? 31!

Please do this it confuses me

Answers

Answer:

Slope: -1 (it is going down by -1)

y-intercept: -6 (-6 is where it crosses 0)

Equation: y=-1x-6 (use formula y=mx+b)

The slope is -1 and the y intercept is -6

What is an equation of the line that passes through the points (2,-5) and (-8,5)

Answers

Answer:

y= -x-3

Step-by-step explanation:


Use formula y=mx+b
First Find slope
M= (5-5)/(-8-2)
M= 0/-10
Fraction cannot be zero so there is no slope
Y=+5

8 to 10 please e e e e thanks

Answers

Answer:

8) 24 meters

9) 50.75 feet

10) 166 meters

Step-by-step explanation:

8) the perimeter is the sum of all sides of your shape. The shape is a rectangle, so you know 2 sides are the same length, 16.3 meters, and the other two sides are the size of the width, that is asked for.
so the perimeter = 2*length + 2*width which gives you the equation
80.6 = 2*16.3 + 2*x
then you solve it this way:
80.6 = 32.6 + 2x  | substract 32.6 on both sides
48 = 2x | divide by 2 on both sides
24 = x
so you know the width is 24 meters

9) again, the perimeter is the sum of all 3 sides of your triangle.
2 sides are each 36 and 3 quarters feet long.
so the equation is perimeter = 2*36 3/4 + unknown side, giving you the equation
124 1/4 = 2 * (36 3/4) + x
124.25 = 73.5 + x | substract 73.5 on both sides
50.75 = x
so the third side is 50.75 feet (or in other writing 50 and 3/4 feet)

10) so on the image you see that the park is a triangle. you are given the area and one side (along Second Ave) and you need to figure out the length of the side along Front Street. When you "double" the triangle, you get a rectangle.
The area of the imagined rectangle is 2 times the area of the triangle (the park), so the area of our rectangle is 13778.
The area of a rectangle is calculated width * length.
This gives you the equation
13778 = 83 * x | divide both sides by 83
166 = x
So the length of the park along Front Street is 166 meters.

Express 3.49 x 10−2 in standard form.

Answers

Answer:0.0349

Step-by-step explanation:

You are going to move the decimal point 2 times to the right because the exponent is negative so we are going back.

the answer to your question is 0.000003499

13/19% of a quantity is equal to what of the quantity.
Simplify Your Answer

Answers

Answer:

13/1900

Step-by-step explanation:

Answer = 68.4210526316 or 1300/19 of a quantity.

13/19 as a decimal is approx 0.684. (0.684210526316)Therefore, if you are asked 13/19 of x, just multiply 13/19 by x.

0.684210526316* 100 = 68.4210526316 so if your asked to fine 13/19% of a quantity, since % means to multiply by hundred, the answer is 68.4210526316. (It doesn’t seem like you were asked to round up).

5. About 0.36 of the students at a middle school are seventh graders.

a. What fraction of the students at the middle school are not seventh graders?

b.There are equal numbers of sixth and eighth graders at the middle school. What percent of the students at the middle school are sixth graders?

Answers

Answer: 18 sixth graders

Step-by-step explanation:

Let

x-----> the number of sixth graders in the band

y-----> the number of seventh graders in the band

we know that

-----> equation A

------> isolate the variable y

-----> equation B

Substitute equation B in equation A

x+ (1.5x) = 45

2.5x=45

x=45/25= 18 sixth graders

Answer: A. 9/14 B. 8/25.

Step-by-step explanation: 9/14=0.642857143 and 8/25=0.32 it is 0.32 because that is 0.64 cut in half.

how many triangles can be constructed with the side lengths of 5 inches, 8 inches, and 20 inches

Answers

Answer:

No triangles

Step-by-step explanation:

The Triangle Inequality Theorem, states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side

5+8 > 20 <-- is not true.

The answer is that no triangles can be made

A car salesperson earns a monthly salary of $800 per month plus $250 for each car sold. The equation y = 250x + 800 represents the total monthly salary. Graph the equation using the slope and y-intercept.

Answers

Answer:x - the total sales

800 + 0.02 x ≥ 1600

0.02 x ≥ 1600 - 800

0.02 x ≥ 800

x ≥ 800 : 0.02

x ≥ 40,000

The total sales must be at least $40,000.

The graph of the equation using the slope and y-intercept is shown in image.

What is Equation of line?

The equation of line in point-slope form passing through the points

(x₁ , y₁) and (x₂, y₂) with slope m is defined as;

⇒ y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

Given that;

A car salesperson earns a monthly salary of $800 per month plus $250 for each car sold.

Here, The equation y = 250x + 800 represents the total monthly salary.

Hence, Slope is,

⇒ m = 250

And, Y - intercept = 800

Thus, The graph of the equation using the slope and y-intercept is shown in image.

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A pitcher full of water weighs 8.34 pounds. Lisa will carry 5 pitchers on a cart and deliver them to tables. About how much would 5 pitchers of water weigh?

Answers

Answer: Choice B)  44,243.7 pounds

==========================================================

Work Shown:

1 gallon = 8.34 pounds

5305*(1 gallon) = 5305*(8.34 pounds)

5305 gallons = 44,243.7 pounds

Note: the information about the 15-foot diameter is not used at all.

41.7 pounds is your answer

A new health drink has ​130% of the recommended daily allowance​ (RDA) for a certain vitamin. The RDA for this vitamin is 20 mg. How many milligrams of the vitamin are in the​ drink?

Answers

Answer: 58.5 milligrams

Step-by-step explanation:

Answer:

58.5 mg

Step-by-step explanation:

Drink: 130% of RDA of vitamin X

RDA vitamin X = 45 mg

130% of 45 = mg in the drink

130% = 130/100 = 1.3

130% of 45 = 1.3 * 45 = 58.5

Thus, this new drink has 58.5 mg of vitamin.

Each day, Maria walks from home to school and then from school to home. The graphs that follow show the distance that
Maria is from home at different times during the walk.
​
Match the graphs to the descriptions of Maria’s walk shown to the right of the graphs. Next to each graph, enter the letter (A,B,C,D) of the description that best matches the graph.

Answers

1. C) Maria walks from school to home at a constant rate
2. A) Maria walks from home to school at a constant rate
3. B) Maria starts to walk from home to school. She stops see whether she has her homework. She realizes she forgot her homework and runs back home to get it
4. D) Maria walks from school to her friends house. She visits her friends for a while. Then she walks the rest of the way home
1.c
2.a
3.b
4.d
The graph are 1-4 and the sentences are a-d.

This assignment is due soon! If someone can help me answer this it would be amazing. It is about Transversals of Parallel lines: name angle pairs.

Answers

Answer:

last option

Step-by-step explanation:

l think it's the correct answer

I believe its JKN and JKI.

Supplementary angles add up to 180, so the angles should be side by side to create a straight line with two sides. Hope that makes sense.

Pls rearrange this 2g=c and the subject is g

Answers

Answer:

g=1/2C

Step-by-step explanation:

2g=c

[divide 2g and c by 2]

g=(1/2)C

2g=c
1/2(2g)=1/2c
g=1/2c

A local pizza shop has a membership program for frequent buyers. The membership costs $5 per month and members get a discounted price of $1.75 per slice of pizza. Christopher purchased a membership to this pizza shop. How much would Christopher have to pay the pizza shop if he bought 19 slices of pizza this month? What would be the monthly cost for
x
x slices of pizza?

Answers

Answer:

The monthly cost for x slices of pizza is y=7x-5.5

Step-by-step explanation:

Consider the provided information.

The membership costs $5 per month and members get a discounted price of $1.50 per slice of pizza.

Let the cost of pizza is x and y represents the monthly cost.

Evan purchased 7 slices of pizza and membership cost $5 also the discounted price is $1.50 per slice of pizza.

Hence, the monthly cost for x slices of pizza is y=7x-5.5.

Answer:

$93.25

Step-by-step explanation:

1. 5x19=?

2. ?-1.75=
tip:use calculator if can not figure out step one

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