You can put this solution on YOUR website! Jill is 20 km away from joe. Jill walks at 2.5km/hr
they meet in 5 hrs how fast is joe walking.
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Jill DATA:
time = 5 hrs ; rate = 2.5 km/hr ; distance = 5*2.5 = 12.5 km
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Joe DATA:
time = 5 hrs ; distance = 20-12.5 = 7.5 km ; rate = 7.5/5 = 1.5 mph
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Cheers,
Stan H.