An ice arena rents out its rink for 100 hours each week. the rental period is broken up to 1/3 hour periods, each of which costs $80. how many dollars does the ice arena earn if it rents out all of the rink time?

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.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

What ia the sum if the first 7 terms of the geometric series