SOLUTION: A rectangle is five time as long as it is wide.The perimeter is 70cm.Find the dimesions of the rectangle.Round to the nearest tenth if necessary

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Question 146217: A rectangle is five time as long as it is wide.The perimeter is 70cm.Find the dimesions of the rectangle.Round to the nearest tenth if necessary
Answer by Fombitz(32388) About Me  (Show Source):
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1.L=5W Length is 5 times the width.
2.2L%2B2W=70The perimeter of the rectangle is 70.
2%285W%29%2B2W=70Substitute Eq. 1 into Eq. 2 and solve for W.
10W%2B2W=70
12W=70
W=70%2F12=35%2F6
W=5.83
L=5W=5%285.83%29=29.17
L=29.17 cm
W=5.83 cm