Answer:
Last week's total salary was $611.40
Explanation:
47.3 hours - 40 hours = 7.3 hours
He worked 40 hours at $12/hour of regular pay rate.
He worked and additional 7.3 hours at $18/hour of overtime pay rate.
40 hours × $12/hour + 7.3 hours × $18/hour =
= $480 + $131.40
= $611.40