Level 3
3 foreigners have the same mass as 5 locals. Each foreigner's mass is 16 kg more than each local. What is the total mass of the 5 locals in kilograms?
3 m
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.
  1. How many beads did Randy take out from the box altogether?
  2. How many beads did Randy have at first?
3 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
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.
  1. How many less jackets sold were defective than good?
  2. How much less money did he earn because of the defective jackets?
4 m
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.
  1. What was the total number of mirrors delivered on time?
  2. How much less money did Henry freight forwarding company collect in August due to the late delivery of the mirrors?
4 m