SOLUTION: the length of a rectangle is 5 more than twice its width . its perimeter is 70 units. find its area ?

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Question 583537: the length of a rectangle is 5 more than twice its width . its perimeter is 70 units. find its area ?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
l=2w+5
2l+2w=p, 2(l+w)=70, l+w=70/2 , l+w=35
2w+5+w=35
3w+5=35
3w=30
w=10
l=25
lw=a
10 times 25=250