The area of a rectangle is 460 square . If the length is 15% more then the breadth , what is the breadth of he rectangular field ?
Let breadth = `x` meres, Then , length = `((115x)/(100))` metres
`:.` `x xx (115x)/(100)` = 460.
`hArr x^2 = ((460 xx 100)/(115))`
`hArr x^2 = 400`
`hArr x = 20`
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