SOLUTION: an athlete can burn 12 calories per minute while running and 5 calories per minute while walking. if the athlete burns 580 calories in 60 minutes, how long is spent on each activit

Question 1141265: an athlete can burn 12 calories per minute while running and 5 calories per minute while walking. if the athlete burns 580 calories in 60 minutes, how long is spent on each activity?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Typical Constant Rates problem with two separate uncombined tasks.

           RATE           TIME           CALORIES

RUN          12

WALK          5

Totals                      60              580



           RATE           TIME           CALORIES

RUN          12            r              12r

WALK          5            w               5w

Totals                     60             580

------------time in minutes spent running.
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