Respuesta :
Answer:
2 hours.
Step-by-step explanation:
x= number of hours
y= total cost in $
y=6x+17
Since she paid 29 dollars, we plug it into y which gives us
29=6x+17
Then, solve for x.
29-17=6x+17-17
12=6x
(12/6)=(6x)/6
2=x
Therefore, Norachai rented the bike for 2 hours.