MATHEMATICS MIDDLE SCHOOL

Elsie bought a video game for $85.00. If the store charges 170% of its cost for the game, how much is the store’s profit?

Answers

Answer 1
Answer:

The profit of the store is the amount the store makes on top of the cost of

each game sold.

The store's profit is $35.00

Reason:

Theamount Elsie bought the video game = $85.00

The percentage the store charges = 170% of the cost of the game

We have;

Let C represent the cost of the game, we have;

170% of C = 85.00

Which can be expressed as (170)/(100) * C = 85.00

Therefore;

C = (85.00)/((170)/(100) ) = \frac{85.00 * 100}{{170} } = 50

The cost of the game, C = $50.00

Profit = Selling price - Cost

Therefore, the store's profit, P = $85.00 - $50.00 = $35.00

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Answer 2
Answer: 144.5 U.S. dollars I think.

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Which statements are symmetric reflexive or transitive

Answers

Answer: 1st is reflexive

Step-by-step explanation:

Hollis house is located at (-1,4). She can walk in a straight line to get to Jedds house. A fast food resturant is located at (-3,2) and partitions the way from hollis house to jedds house by a ration of 1:2 find the coordinates of jedds house

Answers

Answer:

The coordinates of Jedds house are (-7 , -2)

Step-by-step explanation:

* Lets explain how to solve the problem

- If point (x , y) divide the distance between the two points

  (x_(1),y_(1)) and (x_(2),y_(2)) at the ratio

  (m_(1):m_(1)), then

  x=(x_(1)m_(2)+x_(2)m_(1))/(m_(1)+m_(2)) and

  y=(y_(1)m_(2)+y_(2)m_(1))/(m_(1)+m_(2))

* Lets solve the problem

∵ Hollis house is located at (-1 , 4)

∴ (x_(1),y_(1)) = (-1 , 4)

∵ She can walk in a straight line to get to Jedds house

∵ The restaurant is located at (-3 , 2) and partitions the way from

   Hollis house to Jedds house by a ration of 1 : 2

∴ (x , y) = (-3 , 2)

∴ (m_(1):m_(1)) = 1 : 2

- Lets consider that Jedds house is located at (x_(2),y_(2))

∴ -3=(-1(2)+x_(2)(1))/(1+2)

∴ -3=(-2+x_(2))/(3)

- Multiply both sides by 3

∴ -9=-2+x_(2)

- Add 2 for both sides

∴ -7=x_(2)

∴ 2=(4(2)+y_(2)(1))/(1+2)

∴ 2=(8+y_(2))/(3)

- Multiply both sides by 3

∴ 6=8+y_(2)

- Subtract 8 for both sides

∴ -2=y_(2)

∴ The coordinates of Jedds house are (-7 , -2)

Answer:

(-7 , -2)

Step-by-step explanation:

The above answer is correct

1) the entrance way to the presidio is a rectangle topped by a half circle arch that is 3.2m wide. If the ratio of the area of the rectangle to the area of the arch is approximately 3:1, what it the height of the rectangular entranceway?

Answers

The answer to the height of the thing is 4.2

mr.cullen needs 91 carpet squares. he has 49 carpet squares. if the squares are sold in boxes of 6, how many more boxes of carpet squares does mr. cullen need to buy

Answers

He needs to buy 7 boxes of carpet squares.

What is unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Total number of carpets Mr. Cullenneed =91 carpet squares

Total number of carpets Mr. Cullen have= 49 carpet squares.

number of carpets Mr. Cullen need to complete

=91 - 49

= 42 carpets squares

So, Mr. Cullen needs 42 carpets squares.

If each carpet is sold in making boxes of 6. He needs

=42/6

=7 boxes

Hence, He needs to buy 7 boxes of carpet squares.

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he need 7 more carpet squares

Five times a number is the same as 30 more than 8 times the number.find the number

Answers

Answer:

hey here's your answer!☺️

since number = n

so, 5 times of number = 5×n = 5n

and , 30 more than 8 times the number = 8n + 30

so, According to the question,

equation formed :-

" 5n = 8n + 30 "

hope it is helpful ✌️!

Donald is planting two types of saplings in his garden.sapling 1 is4 feet tall and grows at the rate of 16 inches per year. Sapling 2 is 5 feet tall and grows at the rate of 12 inches per year.after how many yeas will these saplings be of the same height?

Answers

After 3 years these saplings will be of the same height

Step-by-step explanation:

Donald is planting two types of saplings in his garden

  • Sapling 1 is 4 feet tall and grows at the rate of 16 inches per year
  • Sapling 2 is 5 feet tall and grows at the rate of 12 inches per year

We need to find after how many years these saplings will be of the

same height

Assume that they will be of the same height after n years

∵ The height of the sapling 1 is 4 feet now

∵ It grows at the rate of 16 inches per year

- Change the feet to inches

∵ 1 foot = 12 inches

∴ 4 feet = 4 × 12 = 48 inches

∴ The height of the sapling 1 after n years = 48 + 16 n

∵ The height of the sapling 2 is 5 feet now

∵ It grows at the rate of 12 inches per year

- Change the feet to inches

∴ 5 feet = 5 × 12 = 60 inches

∴ The height of the sapling 2 after n years = 60 + 12 n

Equate the two heights

∴ 48 + 16 n = 60 + 12 n

- Subtract 12 n from both sides

∴ 48 + 4 n = 60

- Subtract 48 from both sides

∴ 4 n = 12

- Divide both sides by 4

∴ n = 3 years

After 3 years these saplings will be of the same height

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Answer:

yes-The rate of change of a linear function is always the same.

no-The rate of change of a linear function increases as the input increases.

yes-The rate of change from 2 years to 4 years on the graph is 1.5 inches per year.

yes-The rate of change from 0 years to 6 years on the graph is 1.5 inches per year.

Step-by-step explanation:
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