Joelle earns her regular pay of $7.50 per hour for up to
40 hours of work in a week. For each hour over
40 hours of work in a week, Joelle is paid 1 times her
regular pay. How much does Joelle earn for a week in
which she works 42 hours?
A. $126.00
B. $315.00
C. $322.50
D. $378.00
E. $472.50