Ow that you’ve graduated from college and got the full-time job that pays $50,900 a year, you’ve decided to stop using the credit card altogether and start paying it off. Assume your APR is 19.9% and that you want to pay the card off in 12 months. What would be your monthly payment if you are aiming to pay the card off in 12 months?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.