A candle manufacturer sells cylindrical candles in sets of three. Each candle in the set is a different size. The smallest candle has a radius of 0.5 inches and a height of 3 inches. The other two candles are scaled versions of the smallest, with scale factors of 2 and 3. How much wax is needed to create one set of candles?

Question

anonymous · Answer

A. 27  cubic inches
B. 36
C. 53
D. 86
E. 98

igreen · Answer

Find the volumes of each.

igreen · Answer

$\sf V = \pi r^2 h$

Smaller cylinder:

$\sf V = (3.14) (0.5)^2 (3)$

igreen · Answer

Simplify that, what do you get?

anonymous · Answer

thanks