Level 1
Adam has 1800 red stickers, 2400 blue stickers and 1200 yellow stickers.
After some stickers are given away,
Adam has 3000 stickers left.
How many stickers are given away?
Level 1
A tiger eats an average of 28 kg of meat per day, while a lion eats an average of 30.5 kg of meat per day. How much more meat than the tiger will the lion eat in a week?