Seudónimo
Seudónimo
01-12-2015
Mathematics
contestada
what is the average of 16.5, 21.5 and 17
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Аноним
Аноним
01-12-2015
The average of the numbers is also known as the "mean"
So to find the mean you need to add all the numbers together then divide by how many numbers there are,
16.5+21.5+17=55/3
55 / 3 = 18.333333333333
=18.3
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