SOLUTION: the perimeter of rectangle is 160 meter and its breadth and lenth are in the ratio 3:5 the area of the rectangle

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Question 877035: the perimeter of rectangle is 160 meter and its breadth and lenth are in the ratio 3:5 the area of the rectangle
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w breadth, L length.
Their ratio is given as w%2FL=3%2F5, then w=%283%2F5%29L.

Perimeter goes by 2w%2B2L=160, simplifying to w%2BL=80.
Substitute for w:
%283%2F5%29L%2BL=80
3L%2B5L=400
8L=400
highlight%28L=50%29
Use that to compute w.
w=%283%2F5%29%2A50
highlight%28w=30%29.