Question

At the same time a 2-yard street sign casts a 3-yard shadow, a nearby utility pole casts a 12.3-yard shadow. How tall is the telephone pole? Round to the nearest tenth if necessary.

A) 18.5 yd
B) 3.2 yd
C) 3.1 yd
D) 3 yd

Answer 1

A) 18.5yd
The shadow cast is equal to .5 yards per every yard of object + the actual measurement
•5(12.3)= 6.15
6.15+12.3=18.45
Round up to 18.5