Answer:
The answer I got was 16 if your using addition, but 5 if using multiplication
Step-by-step explanation:
52-40 is 12 hours of overtime
You're just dividing in this problem
which if you divide both bottom and to portion by 3 it leads to
4/3
to do this you have to find the lcm of 5 & 7 which is 35
-hope this helps