Question

selling price of 20 pen is equal to the cost price of 22 pens. what is the profit percent.​

Answer 1

Answer:

10% profit.

Step-by-step explanation:

let SP of 20 pens = Rs. 2000

then, SP of 1 pen = Rs. 100

let CP of 22 pens = Rs. 2000

then, CP of 1 pen = Rs. (2000/22)= Rs. (1000/11)

now, Profit = SP-CP = (100/11)

profit % = (Profit/CP)* 100

answer = 10%

Answer 2

Step-by-step explanation:

cost price of each pen be x

cost price of 20 pen =20x

cost price of 22 pen=22x is equal to

selling price of 20 pen =22x

profit=22x-20x=2x

profit % ={2x/20x}×100=10%