I dont remeber this please help me help help

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Can someone me with the property questions for 12 13 and 14 plz

What’s the answer ? use the picture to see the problem