SOLUTION: A man has a rectangular patio in his garden. He decides to enlarge it by increasing both length and width by 10%. What is the percentage increase in area?

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Question 1142214: A man has a rectangular patio in his garden. He decides to enlarge it by increasing both
length and width by 10%. What is the percentage increase in area?
Answer by josgarithmetic(39800) About Me  (Show Source):
You can put this solution on YOUR website!
x and y
xy

1.1x and 1.1y
1.1%5E2xy
-
1.21xy
-
21% increase in area