The median of $80, 60, 30 x, 10, 5$ is $10$ then $x =$ ?

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Solution

$80, 60, 30 x, 10, 5$ $m e d i a n = 10$

$\frac{80 + 60 + 30 x + 10 + 5}{5} = 10$

$\frac{155 + 30 x}{5} = 10$

$155 + 30 x = 50$
$30 x = - 105$
$2 x = - 7$
$x = - 3.5$

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The median of 80,60,30x,10,5 is 10 then x=?

80,60,30x,10,5 median=1080+60+30x+10+55=10155+30x5=10155+30x=5030x=−1052x=−7x=−3.5

The median of $80, 60, 30 x, 10, 5$ is $10$ then $x =$ ?

$80, 60, 30 x, 10, 5$ $m e d i a n = 10$

$\frac{80 + 60 + 30 x + 10 + 5}{5} = 10$

$\frac{155 + 30 x}{5} = 10$

$155 + 30 x = 50$
$30 x = - 105$
$2 x = - 7$
$x = - 3.5$