Q.7 Ravi purchased 5 kg 400 g rice, 2 kg 20 g sugar and 10 kg 850 g flour. Find the total weight of his purchases.

Weight of rice = 5 kg 400 g = 5.400 kg
Weight of sugar = 2 kg 20 g = 2.020 kg
Weight of flour = 10 kg 850 g = 10.850 kg
Total weight of his purchases is
5.400 + 2.020 + 10.850 = 18.270