Final answer:
Dan used 8 1/4 yards of wrapping paper to wrap all three presents, after calculating the total by converting the mixed number to an improper fraction and multiplying by the number of presents.
Step-by-step explanation:
The question involves Dan wrapping presents for his triplet cousins and requires us to calculate the total amount of wrapping paper he used. He uses 2 3/4 yards for each present and needs to wrap three presents. Here is how you calculate it step by step:
- First, convert the mixed number 2 3/4 yards to an improper fraction. There are 4 quarters in a whole, so 2 whole yards is 2x4 quarters, which is 8 quarters. Adding the 3 quarters gives us 11 quarters. So we have 11/4 yards for one present.
- Then, multiply the amount of paper for one present by the number of presents to get the total amount. As there are three presents, we calculate 11/4 yards x 3.
- Multiplying the numerator (11) by 3 gives 33, and the denominator stays the same (4), so we have 33/4 yards in total, which can be converted back to a mixed number. Divide 33 by 4, which gives us 8 with a remainder of 1. Therefore, we have 8 and 1/4 yards, which is 8 1/4 yards total.
Therefore, the correct answer is D) 8 1/4 yards.