42
Work backward. 64 at the end. She found 19. Take those away to see how many she had before that. 64-19=45. So she has 45 now. She started with 87. So to find out how many nickels were used for the cookie, subtract 45 from 87. 87-45=42.
I don’t know if I’m right but I think it’s a
The answer you are looking for is the 3/4.
it all checks out!!!
hope that helped!!
:)