A bike rental shop charges a fixed fee of $9 and an additional $2 for every hour a bike is rented. Miguel paid $29 when he rented a bike. How many hours did he use the bike? Choose the equation that represents the situation and the answer to the problem.

2 answers

Equation: 9 + 2x = 29
Answer: 11 hours
2x + 9 = 29 is the correct equation, but then the bot couldn't handle
such a trial equation.

2x = 20
x = 10 , so he rented the bike for 10 hours