Solve the problem. Round as appropriate.
-The shadow cast by an object on a sunny day varies directly as the height of the object. If a person 76 inches tall casts a shadow 62 inches long, how tall is a tree which casts a shadow 31 feet in length?
A) 69 feet
B) 38 feet
C) 152 feet
D) 25.29 feet

Question

Quizplus · Accepted Answer

The shadow length varies directly with height, so we use the proportion: (76 inches / 62 inches) = (Height of tree / 372 inches). Solving for the height of the tree gives 38 feet.

Solve the Problem. Round as Appropriate