SOLUTION: Two cars leave Salt Lake City, traveling in opposite directions. One car travels at a speed of 80km/h and the other at 96km/h. How mmany hours will they be 528 km apart
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Question 1038407: Two cars leave Salt Lake City, traveling in opposite directions. One car travels at a speed of 80km/h and the other at 96km/h. How mmany hours will they be 528 km apart
Answer by Othel(27) (Show Source): You can put this solution on YOUR website!
We know that , D being distance, r being the rate of speed per time unit, and t being the time that the rate is traveled.
We are trying to determine the time of travel, and we know the rate of travel for each car, we also know the distance.
So just a little basic algebra...
Since the cars are traveling in opposite directions, we must add the speeds of both cars together to determine the rate at which they are gaining distance from one another. So...
This is the rate in our equation.
The distance is
When we plug these numbers into our equation, we get...
so...
Check your answer!
I hope this helps! Learn on
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