Question

Rahul bought pens at * 120 a dozen. He sold it for 15 each. What is his profit percent​

Answer 1

1 dozen = 12

12 pen bought for = 120

he sold for 15 each = 12x15

= 180

Profit % = 100 x profit / cost

= 100 x 60/120

= 10 x 60/12

= 10 x 5

= 50%

Answer 2

Answer:

60

Step-by-step explanation:

because, 120÷12≈12

                12×15≈180

                180-120≈60