Question

A tree that is next to a telephone pole is 15 feet tall and casts a shadow 4 feet long.

The telephone pole is 90 feet tall. How long is the shadow of the telephone pole?

Answer 1

15 foot tree = 4 foot shadow

90 foot telephone pole

Setting up a proportion:

15 / 4 = 90 / x

15x = 360

x = 24 feet (telephone pole shadow)

Explanation:

Answer 2

24

Explanation:

15 =4

15x 6=90

4x6=24