1. A bakery uses 2¼ cups of flour for bread and 1⅓ cups of flour for muffins. If they only have 4 cups of flour total, how much flour will be left after making both items? Show your working.

2. Maria completed ⅜ of her homework on Monday and ¼ on Tuesday. If she needs to finish the remaining work in two equal parts over Wednesday and Thursday, what fraction of the total homework will she complete each day?

3. A recipe serves 6 people and calls for ¾ cup of milk. How much milk is needed to serve 8 people? Express your answer as a mixed number.

4. Tom has read ⅗ of a 240-page book. His sister Sarah has read ¾ of a 160-page book. Who has read more pages, and by how many pages?

5. A construction project requires 3⅖ meters of steel pipe. The workers have already used 1¾ meters. If the remaining pipe needs to be cut into pieces that are each ⅖ meters long, how many pieces can be made?

6. At a school fundraiser, ⅓ of the money raised came from ticket sales, ¼ came from food sales, and the rest came from donations. If donations totaled $420, what was the total amount raised?

7. A farmer harvested 4½ tons of wheat. She sold ⅔ of it to a grain company and ⅕ of the original harvest to a local bakery. How many tons of wheat does she have left?

8. Jake is making trail mix. He uses 2⅓ cups of nuts, 1¼ cups of dried fruit, and ⅚ cup of chocolate chips. If he wants to divide this mixture equally into 5 containers, how much trail mix will be in each container?

9. A water tank is ⅝ full. After using ⅓ of the water currently in the tank for irrigation, it is refilled to ¾ capacity. What fraction of the tank's total capacity was added during refilling?

10. Emma works part-time at two jobs. At her first job, she works 3¼ hours per day and earns $12 per hour. At her second job, she works 2⅔ hours per day and earns $15 per hour. How much does she earn in total for working 5 days at both jobs?

11. A rectangular garden has a length of 6⅔ meters and a width of 4½ meters. If ⅜ of the garden is planted with vegetables and ⅕ is planted with flowers, what is the area (in square meters) that remains unplanted?

12. Challenge Problem: A store offers a discount where customers pay only ¾ of the original price. If Sarah bought items originally worth $48, $32, and $24 after receiving this discount, what would be the total cost if she bought the same items at their original prices?