Can someone please work this out?

I have a form of dyslexia in mathematics form. Trying to work something out. Please can someone calculate the below?

1 hrs
2 hrs 40
6 hrs 55
1 hr 10
3 hrs 15
28 hours
6 hours
33 hours
31.45 hours
9.15 hours

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DeWayfarer · 61-69, M

2 hrs 40
6 hrs 55
1 hr 10
3 hrs 15
---------
12 hours, 120 min = 2 hours
---------
14 hours

1 hrs
28 hours
6 hours
33 hours
---------
68 hours

31.45 hours
9.15 hours
---------
40.60 hours = 40 hours 36 min

Now simple addition

14 hours
68 hours
40 hours 36 minutes
---------
????????????????

BluePlanet · 36-40, M

@DeWayfarer 122 hrs 36 minutes?

DeWayfarer · 61-69, M

@BluePlanet 👍

Half the problem isn't math. It's how you organize the problem.

Please look closely at how it's organized.

BTW Understand your problem. Was the same as a kid.