Answer: $26.094 an hour
Explanation:
First, add up the total hours:
10 + 3 + 15 + 4 = 32
Now, add up the total amount charged:
340 + 495 = 835
Now, divide the amount charged by the number of hours:
835 / 32 = *26.094
* or 26.09375 if it needs to be exact.