SOLUTION: A boy who is 4 ft tall stands in front of a tree that is 24 ft tall. If the tree casts a shadow that is 18 ft long on the ground and the two shadows end at the same point, what is

Algebra ->  Length-and-distance -> SOLUTION: A boy who is 4 ft tall stands in front of a tree that is 24 ft tall. If the tree casts a shadow that is 18 ft long on the ground and the two shadows end at the same point, what is       Log On


   

Question 1069521: A boy who is 4 ft tall stands in front of a tree that is 24 ft tall. If the tree casts a shadow that is 18 ft long on the ground and the two shadows end at the same point, what is the length of boy's shadow?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The shadows are proportional to the height.
24/18=4/x; cross-multiply.
24x=72
x=3 feet.