May 29, 2016

Homework Help: Algebra 1

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?

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