Level 2
Stephanie had some flour in a container. She used 214 kg of the flour in the morning. She added 3 kg of flour into the same container in the afternoon. There was 318 kg of flour in the container in the end. How much flour did Stephanie have at first? Express your answer in its simplest form.
Level 3
Tommy bought 5 packs of stickers. In each pack, there were 12 stickers. He used 4 of the stickers and gave some of them to his brother. 13 of his stickers were then left. What fraction of the stickers he bought were given to his brother?