Explanation:
$13.50 per hour. 40 hours per week.
that makes her regular weekly income
40×13.5 = $540.00
in that particular week she had 8 his overtime in addition.
the overtime hourly rate is
13.5 × 1.5 = $20.25
so, she earned an additional
8×20.25 = $162.00
therefore she earned in that week in total
540 + 162 = $702.00