The graph below shows the number of people entering and leaving a department sto

Question

The graph below shows the number of people entering and leaving a department store over a 30 minute period. 40 35 ? 30 S 25 20 Entering Leaving a 10 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Minute Please answer the following questions Check the box if the answer cannot be determined from the information provided. 1. During which minute did the most people enter the store? Minute Can't be determined 2. During which minute did the most people leave the store? Minute Can't be determined 3. During which minute were the most people in the store? Minute Can't be determined 4. During which minute were the fewest people in the store? Minute Can't be determined

Explanation / Answer

Answer 1: During 4th minute most people enter the store = 37 people /minute.

Answer 2: During 21st minute most people leave the store = 39 people /minute.

Answer 3: During 8th minute most people were in the store = 28 (entered) – 9(left) = 19 people.

Answer 4: During 13th minute fewest people were in the store = 18 (entered) – 16(left) = 2 people.

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