Adriana just started training for her first triathlon. She worked out twice a day for 10 days. For her morning workouts, she biked m minutes and ran 20 minutes. For her afternoon workouts, she biked m minutes and ran 30 minutes. Which of the following expressions represent how long Adriana trained?
1) 10m + 50
2) 10m + 100
3) 10m + 150
4) 10m + 200
