Level 3 At a supermarket, packets of cocoa beans are sold only in boxes of 2. The cost of each box is $7.90. The mass of each packet of cocoa beans is 1.6 kg.
What is the total mass of 9 such packets of cocoa beans?
How much would 6 such packets of cocoa beans cost?
Level 3
Rick gave some money to his three brothers. Jay received 14 of the money. Jonas received 18 of the money and John received $300. How much more money did John receive than Jonas?
Level 3
Mr Krishnan spent 13 of his salary to pay the household bills and gave 12 of his salary to his wife. In the end, he was left with $500 for himself.