Mathematics

Problem

16. The cost of 4 kg onion, 3 kg wheat and 2 kg rice is

₹ 60

. The cost of 2 kg onion, 4 kg wheat and 6 kg rice is

₹ 90

. The cost of 6 kg onion 2 kg wheat and 3 kg rice is ₹ 70 . Find cost of each item per kg by matrix method.