Answer:
4 hours of overtime.
Explanation:
Let x represent number of overtime hours.
We have been given that Ken gets 1 and half times the pay for overtime, that is
per hour of overtime.
Earnings from x hours of overtime would be
.
We have been given that Ken Santos is a tour guide at the art museum and earns $11 an hour with time and a half for overtime. Last week he worked 40 hours plus overtime.


We are told that last month Ken's total pay was $506. We can represent this information in an equation as:





Therefore, Ken did 4 hours of overtime.