Level 3
200 stickers are in 3 packets.
The 1st packet has 3 times as many stickers as the 2nd packet.
There are 80 stickers in the 3rd packet.
How many stickers are in the 1st packet?
Level 3
230 stickers are in 3 packets.
The 1st packet has 20 more stickers than the 2nd packet.
The 2nd packet has 3 times as many stickers as the 3rd packet.
How many stickers are in the 1st packet?