Level 2
Adam buys some stickers.
He gives 57 of the stickers to Bryan.
Then he gives 10 stickers to Chris.
He has 30 stickers left.
How many stickers does Adam buy?
Level 2
3 children share some stickers.
Adam has 15 of the stickers.
Bryan has 10 more stickers than Adam.
Chris has 20 stickers.
What is the total number of stickers the 3 children have?