My guess would be B.
Don't quote me on this lol.
Convert the mixed numbers to improper fractions, then find the LCD and combine.
Exact Form:
103/14
Decimal Form:
7.35714285
…
7.35714285
…
Mixed Number Form:
7 5/14
I believe it is 1, but i'm not completely sure.
<span>The number of workers must be increased by 28%.</span>