Question

the length and breadth ofa rectangular field are in the ratio of 7:4 the cost of fencingthe field at rupees 25 per metre rupees 3300 find the dimension of the field

Answer 1

let the sides be 7x and 4x
perimeter=3300/25=132m
PERIMETER=2(L+B)
132=2(7X+4X)
66=11X
X=6

SO SIDES ARE 42METRE AND 24METRES