Arepairman charges $40.50 per hour. this can be written as $40.50x. evaluate this expression if he works for 5 hours.

1.$8.10
2.$45.50
3.$162.00
4.$202.50

To solve this equation, all you need to do is plug in the amount of hours the repairman works for x.  

So, when the repairman works for 5 hours, 40.50x=40.50(5).

When you multiply 40.50*5, you get 202.5.

When you convert this back to dollars and cents, your final answer is $202.50.

If the repairman works for 5 hours, then he will earn/charge $202.50.