SOLUTION: The ratio of the length of a rectangle to its width is 7 : 3.What percent of the perimeter is the width?
(A) 43% (B) 30% (C) 25% (D) 15% (E) 10%
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Question 331769: The ratio of the length of a rectangle to its width is 7 : 3.What percent of the perimeter is the width?
(A) 43% (B) 30% (C) 25% (D) 15% (E) 10%
Answer by privani(34) (Show Source): You can put this solution on YOUR website!
Perimeter of a rectangle = 2*width + 2*length.
Assuming length = 7, and width = 3, perimeter is:
2*7 + 2*3 = 14 + 6 = 20
Therefore, percentage of width to the perimeter is:
% = 15%
Answer: (D)
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