Question

the length of rectangular field is 7 metre less than 5 times of the breadth what is length if breadth is X metre find solution​

Answer 1

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Answer:

b = x

l = 5x-7

area = lb = (5x-7)(x) = 5x^2-7x

perimeter = 2(l+b) = 2(5x-7+x) = 2×6x-7 = 12x-14

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