Question

For the pair of similar solids, find the value of the variable.. (???????) @iGreen

Answer 1

Set up a proportion.

\(\dfrac{15}{5} = \dfrac{6}{x}\)

Cross multiply:

15 * x = 5 * 6

Answer 2

Simplify & Solve for 'x' @samsteronbroadway

Answer 3

5*6 = 30
..

Answer 4

Yeah, and 15 * x = 15x

So we have:

15x = 30

Divide 15 to both sides, what's 30 / 15?

Answer 5

2

Answer 6

Yep, that's our answer.

Answer 7

Thanks!