Can someone plz help me i don’t understand this at all i don’t like math

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Write the equations in logarithmic form 9^4=6,561