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?
