Math, asked by anana5887, 9 months ago

The average of three numbers is 20.If two of these numbers are 16 and 21.then find the third number

Answers

Answered by prachiyoshi13

1

Answer:

average=sum of observations/total no. of observations

20= 16+21+x/3

60=37+x

x=60-37

=23

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