Answer:
11h 55 min
Explanation:
add the hours first 8+3=11 Then you can break up the minutes into 10s and 1s so (30+20)+(0+5) you would get (50)+(5) then do the final adding of the two numbers 50+5=55 Finally bring your hours back into the mix. 11 hours and 55 minutes. I hope this helps.