To find the mileage per gallon for Mr. Anderson, you can use the formula:
\[ \text{Mileage per gallon} = \frac{\text{Total miles driven}}{\text{Total gallons of gas used}} \]
In this case, Mr. Anderson drove 522 miles on 15.35 gallons of gas. Plugging in these values:
\[ \text{Mileage per gallon} = \frac{522 \text{ miles}}{15.35 \text{ gallons}} \approx 34.0 \text{ miles per gallon} \]
Therefore, Mr. Anderson's mileage is approximately 34.0 miles per gallon.
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