 Ask Remember Me? Questioner Posts: 1, Reputation: 1 New Member #1 Apr 26, 2007, 02:39 PM
Algebra 1
I need to know how to set this problem up:

The foundation of a house is 13m by 7m. If the builder increases each dimensions by the same amount, the area will increase to 135sq m. Find the new dimension. Capuchin Posts: 5,255, Reputation: 656 Uber Member #2 Apr 26, 2007, 02:45 PM
okay so he's increasing both dimensions by x

to end with you have (13+x)*(7+x) = 135

now you can multiply out, rearrange, solve for x, then work out the new dimensions.

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