Two diffrent ways of how to create methods with 4 times 754

Answer these questions showing your work plz

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

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be