Final answer:
Terri can pack 54 orders, CeCe can pack 62 orders, and Jake can pack 60 orders alone in one day.
Step-by-step explanation:
Let's assign variables to represent the number of orders each person can pack per day:
Terri: T
CeCe: C
Jake: J
From the given information, we can set up the following equations:
Simplify the equation: J = 60
Solve for T: T = 54
Therefore, Terri can pack 54 orders, CeCe can pack 62 orders, and Jake can pack 60 orders alone in one day.