Final answer:
To solve these math problems using the chart, analyze the data and enter it into a calculator or computer. Write the linear equation, rounding to four decimal places.
Step-by-step explanation:
To solve problems 22, 23, and 24 using the chart, you need to refer to the provided graphical data and analyze it. Collect the necessary data and enter it into a calculator or computer. Then, write the linear equation, rounding to four decimal places. This will help you calculate the specified values accurately.