This problem is adapted from the 2000 edition of the ARCO GRE GMAT Math Review. It can be answered by setting up and solving single equations in one unknown, or you may find an easier way.

Eddie earns $ 12 per hour for a normal 8-hour workday and $\frac{3}{2}$ times this rate for hours worked overtime. On a certain day, Eddie earned $ 141 and worked hours and minutes.