Question

If 7kg onions is cost 140 rs. How much we pay for 12kg onions

Answer 1

Answer:

240₹

Step-by-step explanation:

7kg onions= 140 rs.

1kg onions= 140/7 = 20rs

12kg= 20rs×12

       = 240rs

Answer 2

Answer: 240 rupees

Step-by-step explanation:

Method 1

7 kg onions cost 140 rs

So 1 kg onion costs 140/7=20 rupees

Hence 12 kg onions cost=12x20=240rupees

Method 2

Let m be the cost of 12 kg onion.

Since quantity and price varies directly

7/140 = 12/m

7m=140x12

m=140x12/7=240