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What is the length and width of a rectangle with a ratio of 7 to 5 whose area is 5040 square inches showing work?
Wiki User
∙ 10y ago
1 Let length and width be 7x and 5x
2 So 7x*5x = 5040 or 35x2 = 5040
3 Divide each side by 35 and then square root both sides
4 Therefore x = 12
5 Length = 7*12 = 84 inches
6 Width = 5*12 = 60 inches
7 Check: 84*60 = 5040 square inches
Wiki User
∙ 10y ago
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