. A three-foot child casts a shadow that is five feet long. The height of a nearby flagpole is nine feet. Find the shadow length of the flagpole.

plz help

2 answers

forgot to add this:
a. 15 feet

b. 11.4 feet

c. 12 feet

d. 5.4 feet
5/3 = x/9

Solve for x.