At a certain time of day, a 5 foot tall man has a 7.5 foot tall shadow. If a tree is 15 feet tall, what is the length of the shadow of the tree?

Could someone show me the equation to this problem and what I need to do in order to get this?

Question

At a certain time of day, a 5 foot tall man has a 7.5 foot tall shadow. If a tree is 15 feet tall, what is the length of the shadow of the tree?

Could someone show me the equation to this problem and what I need to do in order to get this?

anonymous · Answer

A.	15 feet
	B.	10 feet
	C.	22.5 feet
	D.	30 feet

anonymous · Answer

C. 22.5!

anonymous · Answer

thank you @Kristy143SIO (: thanks for taking time to help me out !

anonymous · Answer

no problem sweetie! to get the answer you just add 2.5 feet for every five feet so, it's 15/5=3 so 2.5*3+15