Answer:
16 2/3 hours (which is 16 hours 40 minutes)
Step-by-step explanation:
Regular rate = $12 an hour
Overtime = 1.5 ($12) = $18 an hour
To make $300 extra, you need to work:
$300 / $18 = 16.6666666667 hours, which is 16 2/3 hours which is 16 hours 40 minutes.