Asked by Ralph
At a speedway, the yellow car completes a lap every 30 seconds and the blue car completes a a lap every 50 seconds. If the cars both start at the same place, how long will it take for the blue car to 'lap' the yellow car?
Answers
Answered by
R_scott
lapping means the yellow car passes the blue car
... it has completed one more lap than the blue car
t = time to lap ... in seconds
t / 30 = (t / 50) + 1
... it has completed one more lap than the blue car
t = time to lap ... in seconds
t / 30 = (t / 50) + 1
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