To get the (mean) average, add them up and divide by 3 [since there are 3 numbers]: 12 + 16 + 23 = 51, and 51 ÷ 3 = 17.
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Well, darling, to find the average of those numbers, you add them all up (that's 8+10+12+14+16) and then divide by how many numbers there are (which is 5 in this case). So, 8+10+12+14+16 = 60, and 60 divided by 5 is 12. So, the average of those numbers is 12.
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Average is more correctly called the MEAN in mathematics. To find the mean , add all the terms and divide by the number of terms. Hence mean = (11+13+17+23) / 4 Mean = ( 64) / 4 mean = 16 The Answer!!!!!