Question

The area of a rectangle is 14 by 3 sq.m.if its breadth is 7 by 6 m,find its length

Answer 1

area = 2(l+b)

$\frac{14}{3} = 2(x + \frac{7}{6} ) \\ \frac{14}{3 \times 2} = \frac{6x + 7}{6} \\ \frac{14}{6 } = \frac{6x + 7}{6} \\ 14 = 6x+ 7 \\ 6x = 7 \\ x = \frac{7}{6}$

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