Solve the problem.Karin's bike got a flat tire and she must walk the rest of the way to work. The bike was being ridden at 
and Karin walks at a speed of 3 mph. The distance from home to work is 15 mi, and the total time for the trip was 3 hr. How far did she have to walk?
A. 2 mi
B. 6 mi
C. 1 mi
D. 9 mi
Answer: B
Mathematics
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