SOLUTION: the area of a rectangle is 525 square centimeters. the ratio of the length to the width is 7:3. find the length and width.

Algebra ->  Rectangles -> SOLUTION: the area of a rectangle is 525 square centimeters. the ratio of the length to the width is 7:3. find the length and width.      Log On


   

Question 925141: the area of a rectangle is 525 square centimeters. the ratio of the length to the width is 7:3. find the length and width.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
525 = Lw
L/w = 7/3
L = (7/3)w
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525 = Lw
525 = (7/3)ww
ww = 525*(3/7)
w = sqrt( 525*(3/7) )
w = 15
L = (7/3)*15
L = 35
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answer:
L = 35
w = 15
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