Final answer:
Vanya will need approximately 22 1/4 square yards of fabric to make her quilt, as she is purchasing a total of 11 1/8 square yards for the front and needs the same amount for the back.
Step-by-step explanation:
The problem tells us that Vanya is purchasing fabric in different yardages for her quilt. To find out the total square yards of fabric she will use, we first need to add up all of the individual amounts for the front of the quilt:
- 3 5/8 yards² + 3 5/8 yards² (two fabrics of the same size)
- 1 3/4 yards²
- 2 1/8 yards²
Adding these together, we get:
3 5/8 + 3 5/8 = 7 2/8 = 7 1/4 yards²
Adding 1 3/4 yards²:
7 1/4 + 1 3/4 = 9 yards²
Add the final 2 1/8 yards²:
9 + 2 1/8 = 11 1/8 yards²
Then, since she needs about the same amount for the back, we multiply this amount by 2:
11 1/8 yards² x 2 = 22 1/4 yards²
Vanya will need approximately 22 1/4 square yards of fabric to make her quilt, covering both the front and the back.