SOLUTION: In routine #1, she does only running, burning 10.5 calories per minute. In routine #2 she burns 22 calories walking. she then runs at a rate that burns 7.75 calories per minute. fo
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Question 1180087: In routine #1, she does only running, burning 10.5 calories per minute. In routine #2 she burns 22 calories walking. she then runs at a rate that burns 7.75 calories per minute. for what amounts of time spend running will routine #1 burn at least as many calories as routine #2?
Answer by greenestamps(13208) (Show Source): You can put this solution on YOUR website!
Calories burned in t minutes of running doing routine #1: 10.5t
Calories burned in t minutes of running doing routine #2: 22+7.75t
"For what amounts of time spent running will routine #1 burn at least as many calories as routine #2?"
10.5t >= 22+7.75t
Solve using basic algebra....
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