Level 2
A jug contains some milk.
Adam drinks 710 litre of milk.
Bryan drinks 25 litre of milk.
There is 14 litre of milk left in the jug.
How much milk is there at first in ℓ?
Give the answer in fraction.
Level 3
220 stickers are in 3 packets.
The 1st packet has 20 less stickers than the 2nd packet.
The 3rd packet has 3 times as many stickers as the 1st packet.
How many stickers are in the 2nd and 3rd packet?