Level 3
Mrs Lin bought 5 kg of shrimp and 2 kg of beef for $96. If she brought 2 kg of shrimp and 5 kg of beef, she would have to pay $3 less. How much did 1 kg of shrimp cost?
4 m
Level 3
There are 151 marbles in a big basket and a small basket altogether. The total number of marbles in 3 big baskets and 8 small baskets is 568. How many more marbles are there in a big basket than a small basket?
4 m
Level 3
Betty spent $37.80 on an equal number of spoons and plates. If 5 spoons cost $7.20 more than 2 plates while 1 spoon cost as much as 2 plates, how many spoons and plates did she buy?
4 m
Level 3
The total cost of 5 suits and 5 hoodies was $285. Tina bought 7 such suits, 5 such hoodies and a cardigan for $543. If the total cost of a cardigan and a suit was $150, find the difference in cost between the suit and the cardigan.
4 m
Level 3
Emily, Gillian and Raeann have equal number of pens. Emily packs all her pens equally into 3 packets. Gillian packs all her pens equally into 4 packets. Raeann packs all her pens equally into 6 packets. 2 packets of Emily's pens, 3 packets of Gillian's pens and 4 packets of Raeann's pens add up to 200 pens. How many pens do they have altogether?
4 m