Two cars leave the city at the same and travel in opposite directions. If one car travels at a rate of 40 kph and the other at 42 kph, how long will it take them to be 246 kilometers apart?

Lời Giải

Lời Giải

time : 3

Các bước giải pháp

Translate the problem into an equation:

40 x + 42 x = 246

Giải

x, 40 x + 42 x = 246 : x = 3

time : 3

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