Solve. -An Express Train Travels 370 Miles Between Two Cities. During

Multiple Choice

Solve.
-An express train travels 370 miles between two cities. During the first 90 miles of a trip, the train traveled through mountainous terrain. The train traveled 10 miles per hour slower through mountainous terrain than
Through level terrain. If the total time to travel between the cities was 10 hours, find the speed of the train on
Level terrain.

A) 50 mph
B) 40 mph
C) 20 mph
D) 30 mph