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How do you write the formula for the width of a rectangle is one third of its length the perimeter is 96 feet find the dimensions?
Wiki User
∙ 13y ago
Let the width be 1/3x and the length be x:
2(width+length) = perimeter
2(1/3x+x) = 96 feet
2/3x+2x = 96
Multiply all terms by 3 to eradicate the fraction:
2x+6x = 288
8x = 288
Divide both sides by 8:
x = 36
Therefore: width = 12 feet and length = 36 feet
Check: 12+12+36+36 = 96 feet
Wiki User
∙ 13y ago
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2(length + height)= perimeter
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