Answer:

Step-by-step explanation:
we know that
The total fabric that Mrs. Lin needs is equal to

Convert mixed number to an improper fraction



substitute



Convert to mixed number

Answer:
The answer is 2 1/2 or in mixed form 5/2
Hope I helped :)
The answer are:
1.D
2.C
3.A
Explanation is in above pictures.
The percent notation of 0.23 is 23% (

).
Hope this helps !
Photon