Question

the cost of 10 packets of biscuits each weighing 200 gram is rs 200 gind the cost of 15 packets of biscuits each weighing 300g​

Answer 1

10 packets of biscuit each weighing 200 g is = rs. 200

10×200=2000 g of biscuit is of cost = 200 rs.

1 g of biscuit costs = 0.1 rs.

15 packets each of 300 g weighs = 4500g

so, cost =4500 ×0.1= rs.450

Answer 2

15×30=450 rs coz 200/10=20 and 200÷20 = 10 then per 100 gram price is 10 then 300gram price for 1 packet is 30rs and then 30×15=450