Solve the problem.
-Tom Quig traveled 230 miles east of St. Louis. For most of the trip he averaged $60 \mathrm{mph}$, but for one period of time he was slowed to $10 \mathrm{mph}$ due to a major accident. If the total time of travel was 8 hours, how many miles did he drive at the reduced speed?
A) 60 miles
B) 70 miles
C) 50 miles
D) 45 miles

Question

Quizplus · Accepted Answer

Let $x$ be the distance traveled at $10 \mathrm{mph}$. The rest of the distance, $230 - x$ miles, was traveled at $60 \mathrm{mph}$. The total time is the sum of the time at each speed: $\frac{x}{10} + \frac{230-x}{60} = 8$. Solving this equation for $x$ gives $x = 50$ miles.

Solve the Problem 60mph60 \mathrm{mph}60mph , but for One Period of Time He Was Slowed

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