SOLUTION: if the length and breadth of a rectangular field are increased, the area increases by 50%. if the increase in the length was 20% , by what percentage was the breadth increased?

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Question 442706: if the length and breadth of a rectangular field are increased, the area increases by 50%. if the increase in the length was 20% , by what percentage was the breadth increased?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
.2l * xb = .5A
.2*x (l*b) = .5A
.2*x A = .5A
.2*x = .5
x = 2.5
It would have to be increased 250%.