The width of ben's rectangular family room is 3ft less than the length. the perimeter is 70 ft. which equation can be used to find the length l of the room? a.) 70=l-3 b.) 70=2l-3 c.) 70=2(l-3) or d.) 70=2(2l-3) ?

This can be solved by establishing a system of equation, since

W = L – 3

And the perimeter is

2w + 2L = 70

Substituting the w in the second equation

2(L-3) + 2L = 70

4L = 70 + 6

4L = 76

L = 19 ft

W = 16 ft

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g. what are the costs of using credit?

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