SOLUTION: how tall is a tree that cast a 25-ft.shadow at the same time a 9-ft light pole casts a 15-ft shadow?

Algebra ->  Decimal-numbers -> SOLUTION: how tall is a tree that cast a 25-ft.shadow at the same time a 9-ft light pole casts a 15-ft shadow?      Log On


   

Question 78512This question is from textbook basic mathematics
: how tall is a tree that cast a 25-ft.shadow at the same time a 9-ft light pole casts a 15-ft shadow? This question is from textbook basic mathematics

Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
Use proportions. x = height of tree.

9/15 = x/25
x = (9 * 25/15) = 15

The tree is 15 feet tall.