Posted by **Stacey** on Wednesday, October 23, 2013 at 10:00pm.

Markus jogs 4 mi around a track at an average rate of r mi/h. Then he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout lasts 1 h. At what rates did Markus jog and walk?

- Algebra 1 - Enough! -
**Ms. Sue**, Wednesday, October 23, 2013 at 10:01pm
It will do you no good to keep posting the same question every minute or two!

- Algebra 1 -
**Steve**, Wednesday, October 23, 2013 at 11:54pm
That said, try this:

Since time = distance/speed,

4/r + 1/(r-3) = 1

r = 6

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