Level 3
Mrs Chai has to pay $108 for 2 kg of chicken and 3 kg of fish. She has to pay $152 if she buys 3 kg of chicken and 4 kg of fish. How much does 1 kg of chicken cost?
Level 3
The total cost of 2 identical cups, 3 identical plates and 1 bowl is $116. The total cost of 3 such plates and the bowl is $64. The cost of 1 cup is twice as much as the cost of 1 plate. What is the total cost of the 3 plates?
