Final answer:
Cub Foods grocery stores have more than one location in Mankato, MN in order to qualify for volume discounts from their suppliers.
Step-by-step explanation:
The primary reason for Cub Foods grocery stores having more than one location in Mankato, MN is to Qualify for volume discounts from their suppliers. Having multiple locations allows the grocery stores to purchase goods in larger quantities, which makes them eligible for discounts from their suppliers. This helps the stores to reduce their costs and offer competitive prices to customers.