You are driving to a vacation spot that is 1500 miles away. including rest stops it’s takes you 42 hours to get to the vacation spot. you estimate that you drove an average speed of 50 mph. how many hours were you not driving?

You were not driving for 12 hours.

Explanation

Distance to the vacation spot is 1500 miles and you estimate that you drove an average speed of 50 mph.

Relationship between distance, speed and time is.......

So, the number of hours you drove

Given that, including rest stops it’s takes you 42 hours to get to the vacation spot.

Thus, the number of hours you were not driving

7(3-x)+1 .. first you're going to distribute

21-7x+1 .. then combine like terms

22-7x .. subtract 22 from both sides to get the variable X alone.

-7x=-22

x=3.14