O is:
rational
irrational

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Can someone me out here number 4 plz

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.