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A family is building a new house on a rectangular lot of land. the lot measures 7x by 11x and the house will be 2x by 3x. How much land will be left for their yard after the house is built?
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A family is building a new house on a rectangular lot of land. the lot measures 7x by 11x and the house will be 2x by 3x. How much land will be left for their yard after the house is built?

User Katharyn
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1 Answer

4 votes
71x^2
(71 x squared units of the house will be left).

Subtract Area of house from area of lot.
Area of house - 3x * 2x = 6x^2
Area of lot - 11x*7x= 77x^2
77xx -6xx = 71x^2

you cannot find the x value; not enough information is given.
User Kroot
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