For 4 weeks, William volunteered as a helper for swimming classes. The first week, he volunteered for 8 hours. He volunteered fo r 12 hours in the second week, and another 12 hours in the third week. The fourth week, he volunteered for 9 hours. For how many hours did he volunteer per week, on average? (write a sentence answer)
2 answers:
Answer: 10.25 hours/week (On average, William volunteered 10.25 hours per week during these four weeks)
Step-by-step explanation:
To find an average, you need to add up each entity:
8+12+12+9=41
After that, you divide that number by n (the number of weeks)
41/4=10.25 hours
Answer:
He volunteered 10 hrs 15 min on average.
Step-by-step explanation:
The first week: 8 hrs
The second week: 12 hrs
The third week: 12 hrs
The fourth week: 9 hrs
8 + 12 + 12 + 9 = 41 hrs total
41 hours/4 weeks = 10.25 hrs (10 hrs 15 min)
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