jasonhollidat jasonhollidat

12-04-2017
Mathematics

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The perimeter of a rectangle is 300 feet. The width of the rectangle is 10 feet more than the length. What is the width of the rectangle? A) 50 feet B) 60 feet C) 70 feet D) 80 feet

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Аноним Аноним

12-04-2017

300 = 2(x + x + 10)
300 = 2(2x +10)
300 = 4x + 20
4x = 280
x = 70
x + 10 = 80
width = 80ft
answer D) 80 feet

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