Question

The arithmetic mean of 6,7,8,(x+3) and 2 is 5. then x is

Answer 1

Hey folk..

Here's your answer..

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Mean=Sum of observation/no. of observation
$5 = 6 + 7 + 8 + x + 3 + 2 \div 5 \\ 5 = 26 + x \div 5 \\ 25 = 26 + x \\ x = - 1$
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HOPE IT HELPS...

@Rêyaañ11

Answer 2

( 6+7+8+(x+3)+2)/5 = 5

13+10+3+x= 25
x = 25-26
x= -1