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mr Goodwill [35]
3 years ago
14

Need to know how to work out question 4

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
8 0
To get the mean you would add the 3 numbers to gether then divide by 3. So to get this I did this, 7+7+S= Then I repalced to S with 4 and i got 7+7+4=18. Then to get the mean I have to divide by how many numbers i added, so 18/3=6. 6 is the mean.
Hope this helps☺
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