Level 3
2700 stickers are in 3 packets.
The 1st packet has 300 stickers more than the total number of stickers in the 2nd and 3rd packets.
The 3rd packet has 2 times as many stickers as the 2nd packet.
How many stickers does the 1st packet contain?
Level 3
Adam pays $1600 for a TV set, a mobile phone and a computer.
The TV set costs 3 times as much as the computer.
The mobile phone costs $500 less than the TV set.
How much is the mobile phone?
Level 3
Adam, Bryan and Chris has a total of 300 stickers.
Adam has 100 stickers.
Bryan has 40 less stickers than Adam.
How many stickers does Chris have?
How many stickers does Chris have?
How many more stickers does Chris have than Bryan?