Answer:
Length of fabric the designer needs to make 12 costumes = 32 yards
Explanation:
Length of fabric required for each costume =

Total number of costumes to be made =12
Total length of fabric required for all the costumes =
We can multiply mixed numbers by converting it to fractions.

⇒

⇒32 yards
Length of fabric the designer needs to make 12 costumes = 32 yards