It keeps geting it rong

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

For how answer my question this will be the last question can you answer in math subject

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers