A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

Answer 1

C. P.= 6 toffees per rupee
S. P. =X toffees per rupee
Profit =20%
C.P.+Profit =S. P.
(1/6)+[(1/6)*20%]=(1/x)
x=5
Ans is 5 toffees per rupee