Question

find length and the breadth of a rectangle if its perimeter is 960cm and length is 4times breadth

Answer 1

let the breadth be X
length=4(X)
perimeter of rectangle=2(L+B)
960=2(4X+X)
960/2=5X
480/5=X
96=X

breadth=96 cm
length=4(X)=4(96)=384