Answer:
11.8
Step-by-step explanation:
Alright so 5 is a whole number so we don't change the decimal
6 is the whole number for the problem so lets add 5!
7 , 8, 9, 10, 11
lets add our .8
11 + .8 = 11.8
Foresay we have 5.1 then we would change the decimal.
Hope this helped!
Brainliest is appreciated.