So we would multiply 22.10 times 38, which is $839.00, then multiply 22.10 times the two extra hours which is $44.20, and then you'll divide 22.10 in half to find out how much it would be in a HALF hour, which is $11.05, and add all of those answers and your final answer for A. would be $894.25.
We would do the same as above for B., but only 2 hours at double would be 4 hours, and your final answer would be $815.24.
I hope I helped! =D
