SOLUTION: For her workout, Sarah walks north at the rate of 2 mph and returns at the rate of 4 mph. How many miles does she walk if the round trip takes 1.5 hours?

Question 1017799: For her workout, Sarah walks north at the rate of 2 mph and returns at the rate of 4 mph. How many miles does she walk if the round trip takes 1.5 hours?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

               rate     time        distance
WALK             2       d/2          d
RUN              4       d/4          d
Total                    1.5

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