Alexandra worked 5 hours on Monday, 4.5 hours on Tuesday, and 2.5 hours on Wednesday. Which is closest to the mean number of hou
1 answer:
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First set up the equation:
Then substitute in known values:
and solve for C
Then substitute in known values:
and solve for C
Working attached below. Hope this helps! Any questions let me know :)
Let sum of 3 numbers be x.
Average of 3 numbers and 8 =
25 =
100 = x +8
x= 92.
The sum of 3 numbers is 92.
Average of 3 numbers and 8 =
25 =
100 = x +8
x= 92.
The sum of 3 numbers is 92.