Level 3
At first, Randy had 160 more red beads than blue beads in a box. Each day, he took out 8 red beads and 5 blue beads from the box. After some time, he only had 20 blue beads left in the box.
How many beads did Randy take out from the box altogether?
Level 3
The mass of 8 exercise books and 3 guide books is 3.7 kg. The mass of 2 exercise books and 7 guide books is 5.3 kg. Find the mass of each guide book.
Level 3
Liam paid $31 for 9 hole punchers and 4 pens. The total cost of a hole puncher and a pen was $4. Violet bought 4 hole punchers and 3 pens. How much did she pay for these items?
Level 3
The cost of the tickets for 8 mothers and 8 children is $72. The cost of the tickets to the theme park for 3 mothers and 5 children is $35. What is the cost of the tickets for 3 mothers and 26 children?
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?
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?
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?
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.
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?
Level 3
For every good jacket that Mr Zhang sold, he earned $19. He sold defective jackets at a discount, which would cause him to lose $6 per defective jacket. In July, for every 27 jackets sold, 7 were defective. Mr Zhang earned $3042 from the jackets sold.
How many less jackets sold were defective than good?
How much less money did he earn because of the defective jackets?
