1. A pet store had 60 goldfish. After selling some during the day, 25 goldfish remained. How many goldfish were sold? The number of goldfish sold is ___.
2. A book has 180 pages. After Maria read some pages, she had 110 pages left to read. If $p$ is the number of pages she read, which equation models this situation?
3. Alex had 75 dollars in his wallet. He bought a new shirt and now has 48 dollars left. The shirt cost ___ dollars.
4. A school started a festival with 92 balloons. By the end of the day, only 58 balloons were left. How many balloons popped or were given away?
5. A clothing store had 120 T-shirts in stock. After a weekend sale, 75 T-shirts were left. The number of T-shirts sold was ___.
6. A class has 28 students. 15 students are boys, and the rest are girls. If `g` represents the number of girls, which equation describes this situation?
7. Michael had 45 baseball cards. He gave some cards to his friend and had 32 cards left. How many baseball cards did he give to his friend? ___
8. Elena started with a full bag of 60 marbles. She lost some, and now she has 41. If `m` is the number of marbles she lost, which equation represents this problem?
9. A fruit basket contains apples and oranges. There are 12 oranges. If the total number of fruits in the basket is 27, how many apples are there? ___
10. Which of the following word problems describes a 'combining' situation?