Cost of 12 kg of rice = Rs 144 Cost of 1 kg of rice = Rs 144 ÷ 12 = Rs 12 Cost of 9 kg of rice = Rs 12 × 9 = Rs 108 Reply
Cost of 12 kg of rice = Rs 144
Cost of 1 kg of rice = Rs 144 ÷ 12
= Rs 12
Cost of 9 kg of rice = Rs 12 × 9
= Rs 108