Respuesta :
9 hours is the correct answer
9 x 5 = 45
45 + 18 = 63
9 x 5 = 45
45 + 18 = 63
Answer:
- 9 hours
Step-by-step explanation:
Let the number of hours is x.
Set up an equation and solve for x:
- 5x + 18 = 63
- 5x = 63 - 18
- 5x = 45
- x = 45/5
- x = 9