Whoever answers the problem correctly gets brainliest, 5 stars ✨, and 10 points. And if ur able to show how u did it that would be great thanks :)

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!