Question

if a selling price of 10 pens is equals to the cost price of 14 pens find the gain or loss percentage​

Answer 1

Answer:

if price of one pen is =1

sales price of 10 pen=14(cost of 14 pens)

cost of 10 pens=10

profit=14-10=4

%of profit =(4÷10)×100 =40%