Posted by **Rachal** on Wednesday, May 18, 2011 at 11:15pm.

Miguel is choosing between two exercise routines.

In Routine #1, he does only running, burning 15 calories per minute.

In Routine #2, he burns 12 calories walking. He then runs at a rate that burns 12 calories per minute.

For what amounts of time spent running will Routine #1 burn more calories than Routine #2? Use t for the number of minutes spent running, and solve your inequality for t.

- Algebra -
**PsyDAG**, Thursday, May 19, 2011 at 1:24pm
It would help if you proofread your questions before you posted them.

From your data, all I get is:

15t > 12t, which applies for all values of t.

- Algebra -
**Anonymous**, Thursday, August 18, 2016 at 8:53am
During 30 minutes on the treadmill, Latoya burned 20 calories per minute. What is the rate of change of the function that represents this situation?

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