390% is right but how did you get 3.8461538 to divide by $15.00? Please write down the steps clearly as I understand how to do it. Thanks!

Lane French had a bad credit rating and went to a local cash center. He took out a $100 loan payable in two weeks at $115. What is the percent of interest paid on this loan? (Do not round intermediate calculations. Round your answer to the nearest whole percent.)

Lane French had a bad credit rating and went to a local cash center. He took out a $100 loan payable in two weeks at $115. What is the percent of interest paid on this loan? Do not round denominator before dividing. $15.00 35461538 = 390% interest paid on loan 115.00 -10000 ,' ($15.00) $1002 $1500)150interest $ 1500 interest