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?

A: 77^2
B: 83x^2
C: 40x^2
D: 71x^2

Question

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?

A: 77^2
B: 83x^2
C: 40x^2
D: 71x^2

luigi0210 · Answer

Well the total area is $$\LARGE7x*11x=77x^2$$
What's being used is $$\LARGE 2x*3x=6x^2$$
I would assume that you subtract the areas? 
$$\LARGE 77x^2-6x^2=71x^2$$

anonymous · Answer

thanx

luigi0210 · Answer

Yup, and welcome to Openstudy btw :)

anonymous · Answer

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