Solve the Problem $a _ { n } = 6 n + 11 ; 9$

Multiple Choice

Solve the problem.
-To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 6 minutes each week. Write the general term of this arithmetic sequence, and find how many weeks it takes for him to reach a jogging time of one hour.

A) $a _ { n } = 6 n + 11 ; 9$ weeks
B) $a _ { n } = 6 n + 5 ; 9$ weeks
C) $a _ { n } = 6 n + 5 ; 10$ weeks
D) $a _ { n } = 6 n + 11 ; 10$ weeks