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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?
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2 votes
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?

User Jaanna
by
7.8k points

2 Answers

4 votes
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.
User Creris
by
8.6k points
3 votes
192.5+262.5+192.5+262.5= 910
User Dubison
by
8.2k points
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