Question

length of rectangle is three times its breadth its perimeter is 64m.find cost of harvesting it at the rate if rs 56 per m².

Answer 1

breadth=x, length=3x

perimeter of rectangle is=2(l+b)=64m

2(x+3x)=64

8x=64

x=8

area of rectangular is =8*24=192sqm^2

the cost is=192*56=rs10752