SOLUTION: A car and a truck leave a highway rest area at the same time. The car travels south at 55 km/h and the truck travels north at 40 km/h. After how many minutes will they be 38 km ap

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: A car and a truck leave a highway rest area at the same time. The car travels south at 55 km/h and the truck travels north at 40 km/h. After how many minutes will they be 38 km ap      Log On


   

Question 1168678: A car and a truck leave a highway rest area at the same time. The car travels south at 55 km/h and the truck
travels north at 40 km/h. After how many minutes will they be 38 km apart?

Can you also please do the guess method if possible thank you!
Answer by ikleyn(52795) About Me  (Show Source):
You can put this solution on YOUR website!
.

The guess method is to divide the total distance of 38 kilometers by the rate of separation, which is

the sum  40 + 55 = 95 kilometers per hour.


So, your answer is  38%2F95 of an hour.


38%2F95 = 0.4 of an hour, or 24 minutes.

Solved, answered and explained in all details.