Read the description of a proportional relationship. Craig is overjoyed that he graduated from college, but now he has to start paying back his student loans. There is a proportional relationship between how long (in months) Craig has been paying back his student loans, x, and the total amount of money (in dollars) he has paid back, y. The equation that models this relationship is y=55.86x. How long does it take Craig to pay back a total of $558.60? Write your answer as a whole number or decimal. months