Question #e1151

1 Answer
Jim G.
Sep 17, 2017

#125%" increase"#

Explanation:

#"let the side of the square be "n#

#rArr"area "=(n)^2=n^2#

#"increase of "50%" to the side"#

#"the side of the square "=(n+1/2n)=3/2n#

#rArr"area "=(3/2n)^2=9/4n^2#

#"the area has increased from "n^2to9/4n^2#

#"the area has increased by a factor of "2.25#

#"as a percentage "2.25xx100%=225%#

#rArr"percentage increase in area "=225-100=125%#

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