Question

8. Two race cars, Car X and Car Y, are at the starting
point of a 2-km track at the same time. Car X and
Car Y make one lap every 60 s and every 80
respectively.
(1) How long, in seconds, will it take for both
cars to be back at the starting point at the
same time?
(ii) How long, in minutes, will it take for the
faster car to be 5 laps ahead of the slower car?
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Answer 1

Answer:

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