Solve the Problem $9 \mathrm { mi }$ , the Distance Between the Cars Was 3 Mi More

Multiple Choice

Solve the problem.
-Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone $9 \mathrm { mi }$ , the distance between the cars was 3 mi more than the distance traveled by the car heading east. How far had the east bound car traveled?

A) $12 \mathrm { mi }$
B) $15 \mathrm { mi }$
C) $9 \mathrm { mi }$
D) $18 \mathrm { mi }$