well, if Nathan has 15 million dollars and buys 2 bags and 3 books and if each bag is 2 million you would do 15 minus 2 and when you get the answer you would minus 10 dollars off of that and then do 10 times that number.
I hope you understand what I'm saying if not pls ask for help.
Those are not the answer: 1) 20 - can be divided by 2 2) 21 - can be divided by 3 3) 22 - can be divided by 2 4) 24 - can be divided by 2 and 4. 5) 25 - can be divided by 5 6) 26 - can be divided by 2 7) 27 - can be divided by 3 8) 28 - can be divided by 2 and 4