johananu2008 johananu2008
  • 23-06-2020
  • Mathematics
contestada


The mean of 6 numbers is 32.If one of the numbers is excluded, the mean reduces by 2.Find the excluded number.

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ameliaswift
ameliaswift ameliaswift
  • 23-06-2020
hope it is clear and you can understand
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shiealimubarak shiealimubarak
  • 23-06-2020

Answer:42

Step-by-step explanation:

Let X be the sum of the six numbers

X/6=32

Multiple 6 by both sides

6*X/6=32*6

X=192

Therefore the sum of the six numbers is 192

Let you be the sum of five numbers

The mean reduce by 2 =32-2=32

Y/5=30

Multiple both sides by 5

5*Y/5=30*5

Y=150

Therefore the sum of the five numbers is 150

Therefore the number will be reduced by =192-150

=42

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