<human>:  Tom's rabbit can run at 25 miles per hour. His cat can run 20 miles per hour. The cat gets a 15-minute head start. In hours, how long will it take for the rabbit to catch up?
<bot>: How many minutes did the cat get a head start? ** The cat got a 15/60=<<15/60=.25>>.25 hour head start
How many miles did the cat run? ** That means it ran 20*.25=<<20*.25=5>>5 miles
How fast is the rabbit? ** The rabbit goes 25-20=<<25-20=5>>5 mph faster than the cat
How long will it take for the rabbit to catch up? ** So it takes 5/5=<<5/5=1>>1 hour for the rabbit to catch up
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