Koharu could have bought a variety of fruits that add up to 1 pound in weight. Some examples of fruits and their approximate weights per piece are:
- Apples: 1 large apple = 0.5 pounds
- Bananas: 1 medium banana = 0.3 pounds
- Oranges: 1 medium orange = 0.3 pounds
- Grapes: 1 cup of grapes = 0.5 pounds
- Strawberries: 1 cup of strawberries = 0.3 pounds
- Blueberries: 1 cup of blueberries = 0.3 pounds
So Koharu could have bought a combination of these fruits that adds up to 1 pound in weight. For example, she could have bought 2 large apples (1 pound), or 3 medium bananas and 2 medium oranges (1.2 pounds), or 2 cups of grapes and 1 cup of blueberries (1.3 pounds), and so on.