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5 votes
jeremy drove to work with the average speed of 42 miles per hour. if he had driven with the speed of 48 mph, he would have arrived 10 minutes earlier. how far is it from his home to work?

User Ulver
by
5.1k points

1 Answer

4 votes

9514 1404 393

Answer:

56 miles

Explanation:

Let d represent the distance in miles. Then the drive time in hours is ...

d/42 = d/48 +10/60

8d = 7d +56 . . . . . . . . multiply by 336

d = 56

The distance from Jeremy's home to work is 56 miles.

_____

At 42 mph, his commute time is 1 hour 20 minutes.

User RCarmody
by
5.4k points
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