Posted by
**Stacey** on
.

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 hour. At what rates did Markus jog and walk?

Tuesday

March 28, 2017
Posted by
**Stacey** on
.

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 hour. At what rates did Markus jog and walk?

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