Question

The maximum retail price (MRP) of a packet
of biscuits is 30. A shopkeeper sells it for 27
How much loss will the shopkeeper incur on
the MRP, if he sells three packets of biscuits?​

Answer 1

Answer:

for one packet he will loose 30-27=3 rupees

if shopkeeper sells three packets at same price

he will get lose of 3×3=9 rupees☺

Answer 2

Answer:

$3(30 - 27) \\ = 3 \times 3 = 9$