SOLUTION: An athlete can burn 10 calories per minute while running and 4 calories per minute while walking. If the athlete burns 450 calories in 60 minutes, how long is spent on each acti

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Question 475705: An athlete can burn 10 calories
per minute while running and 4 calories per minute
while walking. If the athlete burns 450 calories in 60
minutes, how long is spent on each activity?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x and (60-x)represent # of minutes spent running and walking respectively

 10x + 4(60-x) = 450calories

        6x = 210

         x = 35min, running and 25minutes walking

CHECKING our Answer***

   350cal + 100cal = 450cal