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Hello help pls :3333333 I only need the answer to part B which asks about the mean
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Given :
Monthly practice time , T=35 hours .
This month, he has practiced 8.5 hours in week 1, 12 hours in week 2, and 5.5 hours in week 3.
To Find :
Many more hours of practice time does Jason need to complete .
Solution :
Number of hours he practice in week 1 , .
Number of hours he practice in week 2 , .
Number of hours he practice in week 3 , .
Now , number of hours left is :
Hence , this is the required solution .