Level 3
Adam has some blue stickers and red stickers.
If 500 blue stickers are added, 30% of the stickers will be red stickers.
If 500 red stickers are added, 20% of the stickers will be blue stickers.
  1. How many blue stickers are there?
  2. How many red stickers are there?
4 m
Level 3
Justin had $59.10 less than Betty. He spent 57 of his money on a stapler which cost $10.50. Betty spent 29 of her money on a vest. How much had Betty left?
4 m
Level 3
Betty, Xuan and Ruth had a total of 1552 pens. Betty gave 13 of her pens away. Ruth gave away 5 times as many pens as Betty and Xuan gave away 267 pens. In the end, they had 523 pens left. How many pens did Xuan and Ruth have in total in the end?
4 m
Level 3
$258 is to be divided among a certain number of people. Half of the people received $3 each, 512 of the people received $4 each and the rest received $5 each. How many people are there altogether?
3 m
Level 2
A bamboo stick 2 m long is cut into 3 pieces. The 1st piece is 25 m long. The 2nd piece is 110 m longer than the 1st piece. What is the length of the 3rd piece?
3 m