Answer:
A
C
Step-by-step explanation:
Productivity = total amount of slides created / total time in minutes
Min-Ahn's productivity = 35 / 90 = 0.3889
To convert Min-Ahn's time to minutes , remember that 60 minutes = 1 hour
so, (1 x60) + 30 minutes = 90 minutes
Ying's productivity = 28/45 = 0.622