SOLUTION: A rectangle flower garden, 7m by 6 m, is surrounded by a grass strip of uniform width. If the total area of the garden and the grass strip is 90m, what is the width of the strip?
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Question 110788: A rectangle flower garden, 7m by 6 m, is surrounded by a grass strip of uniform width. If the total area of the garden and the grass strip is 90m, what is the width of the strip? Answer by MathLover1(20849) (Show Source):
You can put this solution on YOUR website! A rectangle flower garden, 7m by 6 m, is surrounded by a grass strip of uniform width. If the total area of the garden and the grass strip is 90m, what is the width of the strip?
Given:
Then:
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0r
Solve for using quadratic formula:
We need only positive root:
Check:
