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A building in a city has a rectangular base. The length of the base measures 70ft less than twice the width. The perimeter of the base is 910 ft. What are the dimensions of the base?

Verified Answer :

Vorsaw

192.5+262.5+192.5+262.5= 910

base=2x-70
width=x
perimeter of a rectangle=2(base)+2(width)
We can suggest the next equation:
2(2x-70)+2x=910
4x-140+2x=910
6x=910+140
6x=1050
x=1050/6
x=175

base: 2x-70=2(175)-70=350-70=280

Answer,: the length of the base would be 280 ft. 

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