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3 years ago

A store pays $32 for a vase they mark it up by 16% what is the selling price

2 answers:

7 0

A mark-up would case for the price to increase.

If the store pays $32 and they mark it up by 16%, it is basically saying that they took the original price and increased it by 16% of $32.

There are two ways to do this--one of them is simpler (in my opinion) than the other. I will show you the simpler way...

Normally in the longer way we would take 16% of $32 and then take that product and add it to $32. But since we know that it is a mark-up (the price will increase) we can just multiply $32 by 1.16 (notice I added one whole value to this).

$32 x 1.16 = $37.12

(Also, if you want to check, then you can take the longer method and see if that answer matches up to $37.12.)

yaroslaw [1]3 years ago

6 0

16% of 32 is 2 becasue 2 times 16=32 so just add 32+2=34 my answer might be wrong but dont report because i used time and tryed my mediumest not best

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2 years ago

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Nitella [24]

This question is Incomplete because it lacks the diagram showing the containers as well as the required options. Find attached to this answer the appropriate diagram.

Complete Question

Aluminium coated dewars are cylindrical flasks used to safely store and transport liquid nitrogen, dry ice etc. A company manufactures such dewars of different sizes. Shown here are two dewars, both of the same height but of different diameters. How much aluminium will be required to cover Dewar A compared to that required for Dewar B? (Note: The base and the lid are NOT made up of aluminium.)

A) 1/3 times

B) 3 times

C) 9 times

D) The same amount of aluminum will be required.

Answer:

B) 3 times

Step-by-step explanation:

From the question, we are told that we are to find the amount of aluminum to cover Dewar A and B , we are also told that the base and the lid are not covered with aluminum.

From this information, we can determine that we are to find the curved or Lateral surface area of the cylinder because the base and lid are not included

The curved surface area of a cylinder is calculated as 2πrh

We told that both cylinders have the same height. Hence,

For Dewar A

We have Diameter of 30 cm, radius = Diameter ÷ 2 = 30cm ÷ 2 = 15cm.

Height = h

The curved surface area = 2πrh

= 2 × π × 15 ×h

= 30πhcm²

For Dewar B

We have Diameter of 10 cm, radius = Diameter ÷ 2 = 10cm ÷ 2 = 5cm.

Height = h

The curved surface area = 2πrh

= 2 × π × 5 ×h

= 10πhcm²

When we compare the curved surface Dewar A to the curved surface area of Dewar B

Dewar A : Dewar B

30πhcm² : 10πhcm²

3(10πhcm²) : 10πhcm²

From the above comparison, we can see that 3 times more aluminum is required to cover Dewar A compared to Dewar B.

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3 years ago