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

I need help,my example: The sales representative say there are two floor plans available 56 total houses. Use x for floor plan 1 and y for floor plan 2 then write an equation that illistrates the situation. So I thought x+y=56, then sales rep. says there is 3 times as many homes available for the 2nd floor plan than the first. Write an equation using the same variables. I will have to solve them with substitution method in the next question (which I understand) I can not figure out what the second equation should be? It does not make sense if the eguation is x+3y=56 cant solve them with substitution method then.

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