SOLUTION: the length of a rectangle is 7cm more than five times the width. the perimeter is 254 cm. find the area of the rectangle

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Question 138912: the length of a rectangle is 7cm more than five times the width. the perimeter is 254 cm. find the area of the rectangle
Answer by checkley77(12844) About Me  (Show Source):
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L=5W+7
2W+2(5W+7)=254
2W+10W+14=254
12W=254-14
12W=240
W=240/12
W=20 ANSWER FOR THE WIDTH.
L=5*20+7
L=100+7
L=107 ANSWER.
PROOF:
2*20+2*107=254
40+214=254
254=254
AREA=20*107
AREA=2,140 ANSWER FOR THE AREA OF THE TRIANGLE.