Kim Lee is trying to decide whether she can afford a loan she needs in order to go to chiropractic school. Right now Kim is living at home and works in a shoe store, earning a gross income of $930 per month. Her employer deducts a total of $230 for taxes from her monthly pay. Kim also pays $90 on credit card debt each month. The loan she needs for chiropractic school will cost an additional $180 per month.

Calculate her debt payments-to-income ratio without college loan.Remember to convert your answer to a percentage!

Make sure to include zeros and the period in your answer.

Round your answer to 2 decimal places. i.e. 13.55, 21.89, 8.21, 10.99, etc.

Do not include the"%" sign in your response.

May you please break down the formula needed to solve the question as well as an explanation so that I better understand what problem is asking for .