Level 3 Carla had 384 stamps. Nicky had 34 of what Carla had. After Carla used some of his stamps and Nicky used 13 of his stamps, Carla had 23 as many stamps left as Nicky.
Level 3 Ana bought pieces of paper to make 3 lanterns. She used 15 of the pieces of paper on the first lantern. She used 40 more pieces of paper on the second lantern than the first lantern. She used the remaining 65 pieces of paper on the last lantern. How many pieces of papers did she buy?
Level 3 Siti had some stickers at first. She gave 29 of her stickers to her brother and 16 of her stickers to her best friend. After that, her mother gave her another 10 stickers. She had 87 stickers in the end. How many stickers did Siti have at first?
