Sagot :
Answer: 9 hours and 50 minutes.
Step-by-step explanation:ur just adding the fractions and converting it into time.
They babysat for 9 5/6 hours. You would just add all of the hours: 3 1/2 + 4 1/3 + 2 = 9 5/6
Please reach out to me if you have any further questions :)