2 persons are to run a race, but 1 can run 8 meters per second, whereas the other can run 2 meters per second. If the slower runner has a 87 meter head start, how long will it be before the faster runner catches the slower runner?

The differential speed is 6 meters per second.

Per second he can cover extra 6 meters

In 87/6 =14.5 seconds he can cover 87 meters

Answer: 14.5 seconds

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