A passenger car and a freight car leave from a and B at the same time, and meet in 4 hours. The freight car travels 50 kilometers per hour, and it takes 9 hours for the passenger car to complete the whole journey How many kilometers are there between the two places?

A passenger car and a freight car leave from a and B at the same time, and meet in 4 hours. The freight car travels 50 kilometers per hour, and it takes 9 hours for the passenger car to complete the whole journey How many kilometers are there between the two places?

1-4 / 9 = 5 / 9
50x4 △ 5 / 9 = 360 km
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