Question

At 5 p.m., boy 5 feet tall casts a shadow 14 feet long. What is the length of a shadow of something that is 25 feet high?

Answer 1

Set up a proportion: 5/14=25/x and you know 25=5*5 so you do the same to the bottom 14*5=70 so the shadow of something 25 feet high is 70 feet long.

Answer: 70 feet