Charlotte drives 7.6 miles round trip to work every day. How many miles does she drive to and from work in 9 days?

To find the total number of miles Charlotte drives to and from work in 9 days, we can multiply the number of miles she drives in a day by 9.

Total number of miles = 7.6 miles/day * 9 days = 68.4 miles. Answer: \boxed{68.4}.