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?

Answer 1

36 km/hr times 1 hr/3600 sec

I used 3600 because there are 60 min in 1 hour and 60 sec in 1 min.

36 km/3600 sec times 10 sec

360/3600 = he would be 1/10 or .1 km

The tortoise takes 2 hours to go 1 km

rate is .5 km/ hour

chance to kim/sec .5/3600 tortoise'rate

He has to catchup so he has to go .1 km

d = rt

.1 =.5/3600 t

.1 times 3600/.5 = time in seconds.