Level 3
270 stickers are in 3 packets.
The 1st packet has 2 times as many stickers as the 2nd packet.
The 3rd packet is 3 times as many as the 1st packet.
How many more stickers are there in the 3rd packet and 2nd packet than in the 1st packet?
Level 3
Fill in the blanks.
Adam spends 15 of his money on 4 stickers and 5 marbles.
Each marble costs twice as much as each sticker.
Let the cost of 1 sticker be 1 u.
Level 2
Charles and Lily had the same number of sweets. After Lily gave away 15 sweets and Charles gave away 45 sweets, Lily had 4 times as many sweets as Charles. How many sweets did each of them have at first?
Level 2
John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC are stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?