Mathematics, 22.09.2019 05:10, sugardime

Acar traveled for 6 hours on one highway and for 2 hours on a second highway. if the total distance traveled was 488 miles, and the car traveled 12 miles per hour faster on the second highway, at what average speed was the car traveling on the second highway?

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Acar traveled for 6 hours on one highway and for 2 hours on a second highway. if the total distance...