The speed of the car is 80 km / h, and that of the bus is 45 km / h. After x hours, how many km have the car and bus traveled?

The speed of the car is 80 km / h, and that of the bus is 45 km / h. After x hours, how many km have the car and bus traveled?

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After X hours, we have finished:
(80 + 45) x = 125x km
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