Question

If 7 kg onions cost 140 rupees how much must we pay for 12 kg onions cost

Answer 1

Hi there!

Cost of 7 onions = Rs. 140
Cost of 1 onion = 140/7
                         = Rs. 20

∴, Cost of 12 onions =

⇒ 12 × 20
⇒ Rs. 240

∴, the cost of 12 onions is Rs. 240.

Hope it helps you!!

Answer 2

Given:

The cost of 7 onions = Rs. 140.

To Find:

The cost of 12 onions.

Solution:

We already know that,

The cost of 7 onions = Rs. 140.

So,

The cost of 1 onion = 140 / 7.

The cost of 1 onion = Rs. 20.

Now,

The cost of 12 onions = 12 × 20.

The cost of 12 onions = Rs. 240.

Hence, the cost of 12 onions is Rs. 240.