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Simple Arithmatic | 8 Dec, 2009
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venami
Ambitious contributor
8Dec2009,19:54
From the question we can say,
x-y x+y xy
--- = ---- = ---- = r
1 7 36
From this we get three equations,
x - y = r
x + y = 7r
xy = 36r
By solving these equations, we get the value of r=3, x=12, and y=9.
nimesh
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