Question

A man 6 feet tall stands next to a tree 13 feet tall. What is the length, in feet, of the tree's shadow if the man's shadow is 7/2 feet long?

Answer 1

Set up a ratio

Answer 2

you cross multiply once you set up a ration

Answer 3

(7/2)/(6)=(x)/(13)

Answer 4

Now, all you have to do is cross multiply and solve for x

Answer 5

6:13::3.5:x
6x=13X3.5=45.5
x=7.58333 feet

Answer 6

You know at the very beginning, the tree shadow will be longer than the mans' shadow.