Quandaries
and Queries 

Name: Carl Who is asking:
Student Question: 

Hi Carl, I think you left some words out. I think it should be "A walkway of uniform width has area of 72m^{2 ..."} Did you draw a diagram? Let the width of the walkway be x meters and I drew verticle black lines so that walkway is made up of two short horizontal strips that are each 8 meters by x meters, and two long verticle strips that are each (10+2x) meters by x meters. Hence the area of the walkway is
Thus
Simplify and solve for x. Penny 

