Please help me understand how to get the 65th percentile with this information Assume that gas mileage for cars is normally distributed with a mean

Please help me understand how to get the 65th percentile with this information

Assume that gas mileage for cars is normally distributed with a mean of 23.6 miles per gallon and a standard deviation of 8 miles per gallon. Find the 65th percentile of the miles per gallon distribution.