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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?

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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