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A car travels 80 kilometers per hour from a to B, and 75 kilometers per hour when it returns. It takes 9.3 hours from a to B to return to a How many meters is the distance between earth and earth B
Go back time ratio 75:80 = 15:16
The time to go is 9.3 ÷ (15 + 16) x15 = 4.5 hours
Distance 4.5x80 = 360 km
The distance between a and B is 120 kilometers. A car will return immediately after driving from a to B, which takes 4.8 hours. How many kilometers per hour does it travel between the two places?
50 km
120/2.4=50
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