Level 2
Box X is half as heavy as Box Y. Box Z is 3 times as heavy as Boxes X and Y together. What is the mass of Box Z if Box Y is n kg?
2 m
Level 3
Chris has 70 stickers.
Bryan has 3 times as many stickers as Adam.
Chris has 20 stickers less than Bryan.
How many stickers doe Adam and Chris have altogether?
4 m
Level 3
There are 3 times as many dogs as birds.
There are 70 legs altogether.
  1. How many animals are there?
  2. How many more dogs than birds are there?
  3. How many more dogs' legs than birds' legs are there?
4 m
Level 2
At a concert, 60% of the audience were children. There were 7 times as many men as women. What percentage of the audience were men?
2 m
Level 3
Chris has 70 stickers.
Adam has 3 times as many stickers as Bryan.
Chris has 10 stickers more than Bryan.
How many stickers does Chris have more than Bryan?
4 m