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?
Level 3
Henry's freight forwarding company charges $17 for every mirror delivered on time and $10 for every mirror delivered late. In the month of August, Henry freight forwarding company collected $2200. For every 17 mirrors delivered, 15 were delivered on time and 2 were delivered late.
What was the total number of mirrors delivered on time?
How much less money did Henry freight forwarding company collect in August due to the late delivery of the mirrors?
