First find the total time Martha spent on hold: 10 minutes * 6 = <<10*6=60>>60 minutes
Then find the time she spent yelling: 60 minutes / 2 = <<60/2=30>>30 minutes
Then add all the amount of time to find the total time: 60 minutes + 30 minutes + 10 minutes = <<60+30+10=100>>100 minutes
#### 100