SOLUTION: Two square sheets of manila paper differ in area by 225 square inches. An edge of the larger square is 5 inches longer than an edge of the smaller square. Find the length of an edg

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Question 884417: Two square sheets of manila paper differ in area by 225 square inches. An edge of the larger square is 5 inches longer than an edge of the smaller square. Find the length of an edge of the larger square.
Answer by geetha_rama(94) About Me  (Show Source):
You can put this solution on YOUR website!
Let y be the edge of longer square and x be the length of smaller square
y^2-x^2=225
(y-x)(y+x)=225
Given y=x+5
(x+5-x)(x+5+x)=225
5×(2x+5)=225
10x+25=225
10x=200
x=20
Length of bigger squarr= 25inches