In this question it is given that
Carla earns $8.43 per hour. It means that her hourly rate is $8.43 .
And we have to find her overtime pay at time-and-a-half.
First we have to understand what time and a half means .
Time and a half means 1.5 times of the normal rate. And to find the overtime pay, we have to multiply 1.5 and normal hourly rate. That is

Therefore correct option is a .
42 (1- 25/100) = 63/2 = 31.5 dollars
answer is $31.50
hope it helps
Answer:
QF=gR
F=gR/Q
Step-by-step explanation:
120/12=x
120/12=10
Then answer to this problem is B