Level 3
Carrie wanted to decorate 3 cakes. She needed 4 kg of chocolate to decorate each cake. The mass of each packet of chocolate was 2 kg. How many such packets of chocolate did she need?
Level 3
Ben had some flour. He used the same amount of flour each day. By the end of Day 5, he had 590 g of flour left. At the end of Day 6, he had 540 g of flour left. How much flour did Ben have at first?
Level 3
A container filled with 4 identical marbles weighs 1700 g. The same container when filled with 2 identical balls weighs 500 g. The mass of each marble is two times the mass of each ball. What is the mass of the container?
Level 3
In a weight-lifting competition, the first weight-lifter lifted a mass of 300 kg 300 g while the second weight-lifter lifted 50 kg 300 g more. Given that the third weight-lifter lifted 40 kg 500 g more than the second weight-lifter, what is the total mass that the 3 of them lifted?
