Question

The length and breadth of a rectangular piece of fabric are in the ratio 7 : 4. The length of the fabric is 15 m more than that of breadth, then the area covered by this fabric is​

Answer 1

Answer: b. 700 sq.m.

Explanation:

Let the common factor be K

∴ Length = 7K and Breadth = 4K

Also, 4K+15m = 7K

∴ K = 5

∴ Area of Rectangular ground = Length x Breadth

= 7K x 4K = 35 x 20 = 700 sq.m.

Answer 2

Answer:

Your answer is here:-

Step-by-step explanation:

Let the common factor be'x'

Length = 7k

Breadth = 4k

And,

4k + 15m = 7k

K = 5

Area of ground = 7k x 4k

= 7(5) x 4(5)

= 35 x 20

= 700 m²

Hope it helps you.