SOLUTION: A rectangle has a length to width ratio of four to three. the area of the rectangle is 300 square inches. what are its length and width?

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Question 411095: A rectangle has a length to width ratio of four to three. the area of the rectangle is 300 square inches. what are its length and width?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x*4x=300
12x^2=300
x^2=25
x=5
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4x=20
3x=15