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Holger Leichsenring · Answer 1 · 2017-08-15T23:45:24+0000

So he worked 30.5 hours, he just didn't write some of the hours down. To find the hours he didn't write down, you subtract 8+
$7\frac14$ +
$8\frac12$ from 30.5, which equals
$6 \frac14$

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