A secretary is paid $13.50 per hour. If she works 30 normal hours and 6 hours at time and a half, what is her total pay?

The rate of pay per hour to the secretary is $13.50 per
hour.

There is no information regarding the separate rates
of pay per hour for normal hours of work of sectretary and any other special hours of
work.

Therefore we treat that all the total number of hours
secretary worked at the same uniform rate of $13.50 per
hour.

The total hours the secretay worked = (30+6.5)hrs =
36.5 hrs.

Therefore the total pay to the secretary = number
of hours she worked *the constant rate of pay per hour =$(36.5*13.5) = 
$492.75.

Therefore the secretary gets a total pay of
$492.75.