Level 2
Adam, Bryan and Chris have $800 altogether.
Adam has $100 more than Bryan.
Bryan has 3 times as much money as Chris.
How much money does Adam have?
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 has 2 times as many red stickers as blue stickers.
He gives away 30 blue stickers.
Adam has 3 times as many red stickers as blue stickers.
How many more red stickers than blue stickers does Adam have at first?
How many less blue stickers than red stickers does Adam have in the end?