It is: (1+5)/2 = 3
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7 and 1/3
1.66666666666666666667 because 3 plus 1 plus 1 equals 5 and 5 divided by 3 equals 1.6666666666666666666.7.
Add the values you wish to average, and divide by the number of values. For example: If I wanted to find the average of 1,2,3,4,5: (1+2+3+4+5)/(5)=3
The answer is lots... 1 option and the simplest is 5 30s... Another option is 27,28, 30, 32,33 also do.. 10, 20, 30, 40, 50 also should. Really any 5 numbers that add up to 150 will give you an average of 30! so 146, 1, 1, 1, 1 also gives you an average of 30... as does 130, 2, 5, 12, 1 Hope this helps
3^2 = 9 3 = 3 5^2 = 25 Average = all numbers added up, then divide the sum by the number of numbers available 9+3+25= 37 37/3= 12 1/3 12 1/3= Average of 3^2, 3, and 5^2.