Sunday
April 19, 2015

Homework Help: math

Posted by Emily on Monday, March 31, 2014 at 2:25am.

If Cathy walks for 2 h and rides her bicycle for 1 h, she can travel 36 km. If she walks for 2 h and rides her bicycle for 2 h, she can travel 56 km. How fast can she walk? How fast can she ride her bike? Let w represent walking and b represent biking.

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