.
First, the total mass of candies in 78 containers is 78*25 = 1950 pounds,
which is enough to fill 600 3-pound bags: 600*3 = 1800, which is less than 1950 pounds.
Second, the required number of boxes is
= 54.17, or at least 54 full boxes,
while this women has only 30 boxes, which is not enough to complete the packaging process.
Solved, answered and explained.