SOLUTION: A garden is 20 M by 25 M. it is surrounded by a walk-way. the outside perimeter of the walkway is 114 M. What is the width of the walkway?

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Question 126627This question is from textbook mathpower 9
: A garden is 20 M by 25 M. it is surrounded by a walk-way. the outside perimeter of the walkway is 114 M. What is the width of the walkway? This question is from textbook mathpower 9

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
2*20+2*25=40+50=90M IS THE PERIMETER OF THE GARDEN.
2(20+2X)+2(25+2X)=114
40+4X+50+4X=114
8X=114-90
8X=24
X=24/8
X=3M WIDTH OF THE WALK WAY.