Answer: 54 Hours of babysitting
Step-by-step explanation: 540-54=486 Then you take 486 and you divide it by 9 to see how many hours you have to work and that would be 54 hours.
Answer:
54 Hours
Explanation:
first of all 540-54 he started with is 486 and 486/9 is 54 since you get 9 per hour
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