396 P4.ME.JM.17100383
Level 2
The figure shows 2 identical boxes on a weighing scale. Find the mass of 1 box.
3 m
Scale reading Mass W Multiplication & division Units method
397 P5.ST.JC.18121137
Level 1
Adam earns a commission of 10% on the cars he sells.
If the selling price of the car is $100000,
how much is his commission?
2 m
Percent of a whole Units method
398 P6.PC.TL.16010113
Level 3
In an office tower of 600 workers, 35% of the staff is the same as 70% of the number of visitors. How many less visitors than staff are there in the office tower?
3 m
Percent to units More than or less than Common numerator Units method
399 P4.ME.JC.17092704
Level 3
The diagram shows the mass of two identical boxes with objects A and B placed in them respectively.
  1. Given that object B is three times as heavy as object A, find the mass of object A.
  2. Find the mass of an empty box. Express your answer in grams.
3 m
Scale reading Mass Model Times-as-many Units method
400 P5.ST.JC.18121138
Level 2
Adam earns a commission of 10% on the cars he sells.
If he earns $10000 as commission by selling one car,
how much is the car?
2 m
Percent of a whole Units method

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