What is the answer to this question? r/3.2=5.9

I need to figure out what the r is.
Thank You!
- Failed

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.