Question

The figures below are similar. What is the length of x?

Answer 1

20

Explanation:

Im going to solve for 4 because I think that's what your asking for.

Think how 4 inches went to 10 inches

Think how 6 went to 15

`4(?)=10\\6(?)=15\\?=2.5\\4(2)=8\\4(0.5)=2\\8+2=10`

By that rule...

`8(2.5)=?\\?=20`