Fill in the number that makes this sentence true 6x9=(6x5)+(6x)

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

15 point ! ~ see if you know the answer to both you!

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?