Refer to Exercise.
(a) Which 2-hour time intervals have the same rate of sales and what is this rate?
(b) What is the total amount of sales between midnight and 8 a.m.? Compare this amount to the total sales in the period between 8 a.m. and 10 a.m.
Exercise
Department Store Sales The graph in Fig. 1 shows the total sales in thousands of dollars in a department store during a typical 24-hour period.
Figure 2
(a) Estimate the rate of sales during the period between 8 a.m. and 10 a.m.
(b) Which 2-hour interval in the day sees the highest rate of sales and what is this rate?
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