She rode 1 hour every Monday, Wednesday and Friday each week so every week she rode 1*3 = <<1*3=3>>3 hours
She rode 30 min on Tuesday and Thursday each week for a total of 30*2 = <<30*2=60>>60 min or 1 hour
On Mon, Wed & Friday she rode 3 hours, 1 hour total on Tue and Thur and 2 hours on Sat for a total of 3+1+2 = <<3+1+2=6>>6 hours
She rode 6 hours per week for 2 weeks so in total she rode 6*2 = <<6*2=12>>12 hours
#### 12