Darryl used a total of 715.74 kilograms of flour to fill bags at a local flour mill. He used 22.68 kilograms of flour to completely fill each bag. What is the greatest number of bags Darryl completely filled?

Darryl completely filled 31 bags of flour.

we can calculate this in a following way;

total kilograms of flour used = 715.74

kilogram of flour used to completely fill each bag = 22.68

number of bags completely filled = 715.74/22.68 = 31.55

So, the bags completely filled = 31 bags