Solve the problem.
-Tom Quig traveled 260 miles east of St. Louis. For most of the trip he averaged 60 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)100 miles
B)75 miles
C)80 miles
D)90 miles

Question

Quizplus · Accepted Answer

Let x be the time spent at 20 mph. Then, the time spent at 60 mph is (7 - x) hours. The equation for the total distance is: 20x + 60(7 - x) = 260. Solving for x gives x = 4 hours. Therefore, the distance at 20 mph is 20 * 4 = 80 miles.

Solve the Problem. -Tom Quig Traveled 260 Miles East of St. Louis. for St