Solve the problem.
-Tom Quig traveled 210 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 6 hours, how many miles
Did he drive at the reduced speed?
A) 50 miles
B) 25 miles
C) 40 miles
D) 30 miles

Question

Quizplus · Accepted Answer

Let x be the time spent at 10 mph. Then, the time spent at 60 mph is (6 - x) hours. The equation is 10x + 60(6 - x) = 210. Solving gives x = 3, so he drove 10 * 3 = 30 miles at the reduced speed.

Solve the Problem. -Tom Quig Traveled 210 Miles East of St. Louis. for St