It seems you're referencing a graph that shows the total cost of gas based on the number of gallons, but I can't see the graph. However, I can help you understand how to determine how many gallons of gas Trisha can buy with the $30, based on the cost per gallon.
Here’s how you can approach the problem:
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Identify the Cost per Gallon: Look at the graph to find the price of gas per gallon. It may be a straight line where the y-axis shows the total cost and the x-axis shows the gallons.
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Calculate the Number of Gallons: To find out how many gallons of gas Trisha can buy, use the formula:
\[ \text{Number of Gallons} = \frac{\text{Total Money Available}}{\text{Cost per Gallon}} \]
For example, if the cost of gas is $3 per gallon, then:
\[ \text{Number of Gallons} = \frac{30}{3} = 10 \text{ gallons} \]
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Check for Limits: Ensure that the calculated gallons do not exceed the capacity of the car's gas tank.
If you can describe the graph or provide specific values (like the cost per gallon), I can help with more detailed calculations!
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