Question

modeling real life the scatter plot shows the total earnings (wages and tips) of a food server during one day.
earnings of a food server
earnings (dollars)
hours worked

a. about how many hours must the server work to earn $70?
the server must work about hours to earn $70.

b. about how much does the server earn for 5 hours of work?
the server earns about $ for 5 hours of work.

c. describe the relationship shown by the data.
the data show relationship between hours worked and earnings.

Explanation:

Step1: Analyze part a

To find the number of hours to earn $70$, look at the vertical axis (earnings) for $70$ and then find the corresponding horizontal axis (hours) value.

Step2: Analyze part b

To find earnings for 5 hours, look at the horizontal axis for 5 and then find the corresponding vertical axis value.

Step3: Analyze part c

Check the trend of the scatter - plot. As the number of hours worked increases, the earnings also increase.

Answer:

a. The server must work about \(5\) hours to earn $70.
b. The server earns about $\(70\) for 5 hours of work.
c. The data show a positive relationship between hours worked and earnings.