Question

1. A stationer buys pens at 5 for 28 and sells
them at a profit of 25%. How much should a
customer pay; if he buys
(i) only one pen? (ii) three pens?​

Answer 1

Answer:

7, 21

Step-by-step explanation:

total CP = 28

profit% = 25%

therefore, SP = 28 + 7 = 35

SP OF 5 PENS = 35

SP OF 1 PEN= 7

SP OF 3 PENS= 21