Directions: Perform the necessary operation(s) in each exercise below. Be sure to simplify your result, if necessary. Click once in an ANSWER BOX and type in your answer; then click ENTER. After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is correct or incorrect. To start over, click CLEAR.
Note: To write the fraction three-fourths, enter 3/4 into the form. To write the mixed number four and two-thirds, enter 4, a space, and then 2/3 into the form.
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| 4. | A cafe sold 9 and 1/3 liters of caffeinated coffee and 8 and 2/3 liters of decaffeinated coffee. How many liters of coffee did the cafe sell in all? |
| 5. | A seamstress cut 6 and 5/12 inches from a skirt and 4 and 11/12 inches from a pair of pants. How much more did the seamstress cut from the skirt than the pants? |
| 6. | A bake shop bought 6 7/8 pounds of white flour and 1 3/8 pounds of whole wheat flour. How many pounds of flour did the bake shop buy in all? |
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| 8. | A builder placed an order for 14 and 7/12 tons of dirt. He calculates that he will require 10 and 3/4 tons of dirt for a job. How much dirt will the builder have left for his other jobs? |
| 9. | Joanne made 9 bags of popcorn, of which her friends ate 4 and 5/8 bags. How much popcorn was left? |
| 10. | Sam's milkshake recipe calls for 16 and 3/14 scoops of ice cream and Heidi's recipe calls for 9 and 7/10 scoops. How many more scoops of ice cream are used in Sam's recipe than in Heidi's recipe? |
