Question

mean of 50,40,35,x+10,x+8,12,11,8,6 is 30
find x
pls solve on paper​

Answer 1

Answer:

$\frac{50 + 40 + 35 + x + 10 + x + 8 + 12 + 11 + 8 + 6}{9 } = 30$

$\frac{180 + 2x}{9} = 30$

$180 + 2x = 270 \\ \\ 2x = 270 - 180 \\ \\ 2x = 90 \\ \\ x = \frac{90}{2 } \\ \\ x = 45$

Step-by-step explanation:

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