A craft table has 31 square tiles, 28 circle tiles, and 26 triangle tiles. Which equation can be used to find t, the total number of tiles?
Jayden wants to practice piano for 120 minutes this week. He has practiced 37 minutes on Monday and 29 minutes on Tuesday. Which equation can be used to find m, the number of minutes he still needs to practice?
A bookstore received 275 books. There were 88 fiction books and 64 nonfiction books. The rest were biographies. Which equation can be used to find b, the number of biographies?
A food drive has a goal of 200 cans. Students collected 76 cans on Monday and 58 cans on Tuesday. Which equation can be used to find c, the number of cans still needed?