# math

A tortoise and a hare race against each other. A hare runs at a constant speed of 36 km per hour for exactly ten seconds and waits for the tortoise to catch up. If the tortoise takes two hours to move 1 km, how long will it take to catch up?

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1. well, how far does the hare go?

distance = speed * time

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2. what do I multiply

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3. 36 * 10 ?

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4. not quite. You have to watch the units. 10 seconds is 1/360 hours.

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