On Black Friday, Walmart stores experience a 40% increase in flow rate and a 30% increase in the time customers stay in the store. What is the percentage change in the average number of customers in the store? NOTE: If you're not familiar with the definition of percentage changes, here are examples. 20 to 30 implies a 50% change (or an increase by 50% ) because 30=201.5=20(1+50%);20 to 10 implies a 50% change (or a decrease by 50% ) because 10=200.5=20(150% ) 35% 54% 70% 82% QUESTION 10 The following is a Simple process flow diagram of a Costco store. Assume that no customers leave the store without a purchase. It is estimated that 30% of customers will visit the food court after checking out. What is the average number of customers in the store? 42 customers 48 customers 54 customers 60 customers