algebra
posted by Anonymous .
if a 6foot tall man casts a shadow that is 13 feet long, how tall is a tree that casts a shaow that is 169 feet long?

Set up a proportion, crossmultiply, and solve for x.
6/13 = x/169 

366.17

78

An electrical tower casts a 120foot shadow. At the same time, a 10foot street sign casts a shadow of 8 feet. What is the height of the tower?

An electrical tower casts a 120foot shadow. At the same time, a 10foot street sign casts a shadow of 8 feet. What is the height of the tower?

x=150
electric tower