After knee surgery, your trainer tells you to return to your jogging program slowly. He suggests jogging for 6 minutes each day for the first week. Each week thereafter, he suggests that you increase that time by 6 minutes per day. How many weeks will it be before you are up to jogging 60 minutes per day?

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6, 12, 18, 24, 30, 36, 42, 48, 54, 60.

Count the number of weeks.