What number make the ratio equivalent to 1: 5=9:

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.

Use sigma notation to represent the following series for 9 terms.

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?