Question

The length of a rectangular field is 7 meters less than 5 times the breadth of field. What is length, if breadth is x meters

Answer 1

Answer:

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

Step-by-step explanation:

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Answer 2

Answer:

12x-14

Step-by-step explanation:

Let the breadth be 5x-7 and length be x.

Perimeter of a rectangle 2×(l+b)

2×(x+5x-7)

=12x-14

I hope that it helps you...