Question

You are driving to a vacation spot that is 1500 miles away. Including rest stops, it takes you 42 hours to get to there. You estimate that you drove at average speed of 50 miles per hour. How many hours were you not driving?

Answer 1

`12` hours

Explanation:

If you can drive `50` miles in `1` hour, the number of hours it took to drive `1500` miles would be `1500/50`, or `30` hours.

`50x=1500 rarr x` represents the number of hours it took to drive `1500` miles

`42` is the total number of hours, and the total number of hours spent driving is `30`

`42-30=12`