Solve the problem.Jill is 12 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 km/hr. They meet in 3 hours. How fast is Joe walking?
A. 2.5 kilometers/hour
B. 5.5 kilometers/hour
C. 7.5 kilometers/hour
D. 2 kilometers/hour
Answer: A
Mathematics
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