Answer:
Part A: 8(X)=W 
Part B: 8(40) + 12(Y)=S 
Part C: She worked 4 hours 
$368 total including overtime 
$320 Regular Hours (8*40) 
Get the difference, =$48 
Then we need to find out how many hours are in $48, so we divide by $12 
48/12= 4 
Thus =4 hours 
Explanation: