The approximate average is 19. The actual average is 19 and 1/3
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The quotient of 18 and 2 is 9 The sum of 22 and 9 is 31 31-9=22
3 + 6 + 9 = 18/3 = 6 The average of the three values is therefore 6.
31
31 minus 9 is 22 31 - 9 = 22
3.1111 times.