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1) Mrs. Miller and her class went to visit the city library. While they were there, the librarian Mrs. Graham told them that there were 23,874 books in the library. She said that 11,379 of these were children's books. How many books in the library were not children's books? 2) The stadium has 18,000 seats. Last year 13,500 seats were filled. How many empty seats were there? 3) Jimmy sold 19,000 musical CDs last year and 20,900 records this year. How many CDs were sold in two years? 4) Fred drove 23,808 km and James, Fred's brother, drove 13,144 km last year. How many fewer miles did James drive than Fred? 5) Tricia has saved $13,834 toward the purchase of a car. She finds a car that costs $27,939.
How much more money does she need to purchase the car?