SOLUTION: Two cars leave Salt Lake City, traveling in opposite directions. One car travels at a speed of 80 km/h and the other at 96 km/h. In how many hours will they be 528 km apart?

Algebra ->  Algebra  -> Systems-of-equations -> SOLUTION: Two cars leave Salt Lake City, traveling in opposite directions. One car travels at a speed of 80 km/h and the other at 96 km/h. In how many hours will they be 528 km apart?      Log On

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Question 71332This question is from textbook Elementary and Intermediate Algebra
: Two cars leave Salt Lake City, traveling in opposite directions. One car travels at a speed of 80 km/h and the other at 96 km/h. In how many hours will they be 528 km apart?This question is from textbook Elementary and Intermediate Algebra

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
LET X BE THE TIME FOR EACH VEHICLE.
80X+96X=528
176X=528
X=528/176
X=3 HOURS.
PROOF
80*3+96*3=528
240+288=528
528=528