1. **State the problem:** We need to find how many more pounds of fruits the market sold on Saturday compared to Tuesday. 2. **Identify the total pounds sold each day:** - Tuesday: tangerines = 11.8, oranges = 18.3, grapefruit = 12.5 - Saturday: tangerines = 19.4, oranges = 31.7, grapefruit = 22.6 3. **Calculate total pounds sold each day:** - Tuesday total = $11.8 + 18.3 + 12.5$ - Saturday total = $19.4 + 31.7 + 22.6$ 4. **Perform the addition:** - Tuesday total = $11.8 + 18.3 = 30.1$, then $30.1 + 12.5 = 42.6$ - Saturday total = $19.4 + 31.7 = 51.1$, then $51.1 + 22.6 = 73.7$ 5. **Find the difference:** - Difference = Saturday total $- $ Tuesday total = $73.7 - 42.6 = 31.1$ 6. **Conclusion:** The market sold 31.1 more pounds of fruits on Saturday than on Tuesday. **Final answer:** 31.1 more pounds sold on Saturday.