SOLUTION: A car traveled for a total of 566 miles over the course of 8 hours on two highways. On the first highway, the car traveled at an average speed of 57 miles per hour. On the se

Question 1090180: A car traveled for a total of 566 miles over the course of 8 hours on two highways. On the first highway, the car traveled at an average speed of 57 miles per hour. On the second highway, it traveled at an average speed of 79 miles per hour. For how many hours was the car on the first highway?
please help I need to finish my assignment
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!

               SPEED        TIME        DISTANCE
firsthwy        57           x          
sechwy          79            
Total                       8           566

Necessary equation,
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