When you multiply a number by 0.2, the answer is a) half the original number. b) twice the original number. c) one-fifth the original number. d) five times the original number.

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!