Solve the problem.
-Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 7
Hours, how many miles did he drive at the reduced speed?
A) 110 mi
B) 95 mi
C) 120 mi
D) 100 mi

Question

Quizplus · Accepted Answer

Tom's total travel time is 7 hours. Let x be the time spent at 20 mph. Then, the time spent at 70 mph is (7 - x) hours. The distance equation is: 20x + 70(7 - x) = 240. Solving for x gives x = 5, so the distance at reduced speed is 20 * 5 = 100 miles.

Solve the Problem. -Tom Quig Traveled 240 Miles East of St. Louis. for St