Answer:
Step-by-step explanation:
sorry I tried but it is hard
For this case we have to evaluate the following expression,

We must follow the steps below:
We convert the mixed number into a fraction:

We multiply the fractions, taking into account that:

We simplify:

We convert to mixed number:

Answer:

Answer: $122.50
<u>Step-by-step explanation:</u>
In Out
8:00 12:00 = 4 hours
12:45 17:30 =<u> 4.75 hours </u>
Total 8.75 hours
8.75 hours x $14/hr = $122.50
Note: to subtract 12:45 from 17:30, borrow 1 hour from 17 and add 60 minutes to 30:
17:30 → 16:90
- 12:45 -<u> 12:45 </u>
4: 45
4 hours 45 minutes =
= 4.75 hours