70020110020

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70020110020

Post by ada » Thu Aug 24, 2017 5:46 pm

"Iota Inc. records how its profits/loss over $4$ years:<br>

&emsp;&emsp;$\$10,000\quad-\$16,000\quad\$34,000\quad-\$4,000$<br>

Calculate the mean profit/loss over the $4$ years."
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