Mr. Gladden drove 548 miles to Disney World on 15.22 gallons of gas. Find the mileage per gallon for Mr. Gladden. (6.RP.2.c)

To find the mileage per gallon for Mr. Gladden, you can use the formula:

\[
\text{Mileage (mpg)} = \frac{\text{Total miles driven}}{\text{Total gallons of gas used}}
\]

Plugging in the given values:

\[
\text{Mileage} = \frac{548 \text{ miles}}{15.22 \text{ gallons}} \approx 36.01 \text{ mpg}
\]

Therefore, the correct response is **36.01 mpg**.