Question 407110
jill is 18 km away from joe. 
both begin to walk at the same time. 
jill walks at 1.5 km per hour. 
they meet in four hours. 
how fast is joe walking?
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Jill DATA:
rate = 1.5 km/hr ; time = 4 hrs. ; distance = rt = 1.5*4 = 6 km
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Joe DATA:
time = 4 hrs ; distance = 18-6 = 12 km ; rate = 12/4 = 3 km/hr
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Joe's rate = 3 km/hr
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Cheers,
Stan H.