Q: What is the average of these 3 numbers -18 -23 plus 20?

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To find the average you need to add the two numbers together and divide by two. 18 + 22 = 40 40 / 2 = 20 The answer is 20.

For any set of numbers n-1, n, and n+1, the average will be n. For example, if the numbers are 18, 19, 20, the average will be 19.

20+18+13+9=60

2 times -20 equals 40 and 2 plus -20 equals -18

109 you can plus like this: (19+1)+20+20+(1+1+18)+4+25

Related questions

The average of 18, 24, and 18 is (18 + 24 + 18) / 3 = 20.

16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238

To find the average you need to add the two numbers together and divide by two. 18 + 22 = 40 40 / 2 = 20 The answer is 20.

For any set of numbers n-1, n, and n+1, the average will be n. For example, if the numbers are 18, 19, 20, the average will be 19.

To find the mean average of 20 numbers requires the 20 number to be added together which will take 19 additions and then divide by the number of numbers which will take 1 division → 19 additions followed by 1 division, a total of 20 operations are nominally needed to find the mean average of 20 numbers.

20+18+13+9=60

24 + 18 + 20 + 22 = 84

2 times -20 equals 40 and 2 plus -20 equals -18

18 plus 20 is 38 how could you not know that,it is such an easy question

12 + 16 + 18 + 20 + 9 = 75

18 + 10 + 20 + 30 + 15 + 50= 143

Just over 20 18 + 19 + 21 + 23 = 81 81 / 4 (numbers) = 20.25