Question

tara bought 6.54kg potatoes and 9kg 260g onions while dhruv bought 7.21 kg of potatoes and 8 kg150g onions . who caried more by how much?

Answer 1

1 kg = 1000 g 
6 kg 540 g + 9 kg 260 g = 15 kg 800 g
7 kg 210 g + 8 kg 150 g = 15 kg 360 g

Tara carried more