Need Help on this math problem. Thank you

Question

It takes Carlos 45 of an hour to paint a room. Which expression represents the number of hours, h , it will take Carlos to paint 7 rooms? Answer Choices A. 7÷4/5 B. 7h÷4/5 C. 4/5×7 D. h×4/5×7 Part 2 Carlos earns $13.50 per hour as a painter. How much money will Carlos earn if he paints 9 rooms? $??

Answer 1

Do you mean 45 minutes to paint one room? If so, it would take Carlos 45(7) minutes = 315 minutes

60 minutes = 1 hour

315 minutes(1 hour/60 minutes) = 5 1/4 hours to paint 7 rooms

45 minutes = 3/4 hours

(3/4)(9)(13.50) = $91.13