Question

A company makes wax candles in the shape of a cylinder. Each candle has a radius of 2 inches and a height of 7 inches. How much wax will the company need to make 210 candles?

Answer 1

18,471.6

Explanation:

Answer 2

18,471.6 cubic inches of wax will be needed

Explanation:

We want the volume that will be required for 210 candles. We first find the volume of 1 candle by using volume of cylinder formula. Then multiply that answer by 210 to find volume of wax needed to make 210 such candles.

Volume of Cylinder is given by the formula:

`V=\pi r^2 h`

Where

r is the radius

h is the height

Given,

r = 2 in

h = 7 in

We substitute and find 1 candle volume:

Volume of 1 candle =
`\pi r^2 h = \pi (2)^2 (7) = 87.96`

Hence,

Volume of 210 candles = 87.96 * 210 = 18,471.6 cubic inches