Question

We want to put a fence around a rectangular plot. The fence costs ₹ 30 per meter.
The length and width of the plot are in the ratio 4:3. The total cost of the fencing comes out to be ₹ 1680

Answer 1

Answer:

Length = 16m

Width = 12 m

Step-by-step explanation:

The length and width of the plot are in the ratio 4:3.

Let say length = 4L

Width = 3L

Perimeter = 2 (4L + 3L) = 2 * 7L = 14L  m

The fence costs ₹ 30 per meter.

Total Cost = 14L * 30  = 420 L

420L = 1680

=> L = 4

Length = 4L = 16 m

Width = 3L = 12 m