Word Problem:

A FreshDirect Grocery shopping site allows setting up a recurring order. A person needs to determine the order frequency for weekly shopping for groceries. One grocery order has 8 bags. He places 1 order for groceries every week. His wife places 1 order for groceries a week. His daughter places 1 order for groceries every three weeks. What's the best frequency to help ensure the next grocery order arrives before the previous one empties.? (Show Working for your Solution ) (5 Points)