Answer:
47 hours
Explanation:
First, we do 12 times 40, the answer we get is 480 dollars.
Then, we do 606 minus 480, the answer we get is 126.
Next, we do 126 divided by 18, and we get 7
Therefore, the total hours is 47 hours.
[606 -(12×40)]/(1½×12) =
(606-480)/(18) =
126/18 = 7
the total working hours = 40+7 = 47 hours
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