Final answer:
Frank earned a total of $982.48 last week.
Step-by-step explanation:
To calculate Frank's total earnings, we need to determine his regular pay and his overtime pay separately and then add them together.
Frank earns $15.35 an hour for regular time, so for 40 hours of work, his regular pay is 40 * $15.35 = $614.
For overtime work on the weekend, Frank earns time and a half, which means he earns 1.5 * $15.35 = $23.03 per hour. For 16 hours of overtime, his overtime pay is 16 * $23.03 = $368.48.
To find his total earnings, we add his regular pay and his overtime pay: $614 + $368.48 = $982.48.
Therefore, Frank earned a total of $982.48 last week.