Question

A 12ft basketball hoop casts an 8 ft shadow. Find the length of the shadow of a 4 ft tall fence.

Answer 1

Set up a ratio of height over shadow for each :

12/8 = 4/x

Cross multiply:

12x = 32

Divide both sides by 12:

X = 2 2/3 feet

The shadow is 2 2/3 feet.