You have a 5 lb bag of flour. A recipe uses 2.5 cups, and 1 cup weighs 4.5 oz. How many ounces of flour remain?
Answer
68.75 oz
How to solve it
1
Bag: 5 lbs = 80 oz
2
Used: 2.5 × 4.5 = 11.25 oz
3
Remaining: 80 - 11.25 = 68.75 oz
Hints
Convert 5 lbs to oz (1 lb = 16 oz)
Calculate amount used
Subtract from total