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{{ printedBook.courseTrack.name }} {{ printedBook.name }} Khalani can work a maximum of $25$ hours and he works $5$ days. Thus, if we divide $25$ with $5$ we'll get the maximum number of hours he can work each day.
$525 =5$
Now, let the number of hours he work each day be $h.$ Since he doesn't want to work more than $5$h/day, since this would succeed his $25$ hour/week limit, $h$ should be **less than or equal to** $5.$
$h≤5$