Question

A shop keeper loses 20% on selling 12 toffees for a rupee . how many toffees for a ruppee should he sell to get a gain of 20%​

Answer 1

Answer:

Step-by-step explanation:

Selling price of 1 toffee= Rs1/12

Loss=20/100=(CP- SP)/CP

CP=Rs 5/48

Cost price of x toffees= 5x/48

Profit = 20/100= (SP-CP)/CP

1/5⋅5 x/48 =SP−5x48

SP=x/8

No. of toffees should be sold in a rupee= 8 toffees.