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January 28, 2015

January 28, 2015

Posted by **dee** on Friday, November 27, 2009 at 12:25am.

- Math -
**MathMate**, Friday, November 27, 2009 at 12:39pm"So I thought x+y=56"

Correct. Call this equation (1)

"... there are 3 times as many homes available for the 2nd floor(y) plan than the first(x)."

y=3x ......(2)

Substitute (2) into equation (1) and solve for x.

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