Question

To determine how many staff members she needed, a local coffee shop owner recorded the number of customers that entered the shop each day.
Coffee shop customers
Day Customers
Monday 324
Tuesday 320
Wednesday 309
Thursday 318
Friday 310
According to the table, what was the rate of change between Tuesday and Friday?
Round your answer to the nearest tenth.
customers per day

Answer 1

Change = 310 − 320 = −10 customers over 3 days, so rate = −10/3 ≈ −3.333… ≈ −3.3 customers per day.