Question

A 5 foot woman stands near a 4 foot cello case. The cello case casts a shadow that is 6 ft long. How long is the shadow cast by the woman?

Answer 1

150=6x

Explanation:

Let x = height of the tree.

Set up the ratio %28Height%29%2F%28Shadow%29+=5%2F6=x%2F30

Since a%2Fb=c%2Fd means ad=bc,

5%2F6=x%2F30 means 5%2A30=6%2Ax

150=6x