SOLUTION: The librarian said, "We have 10 more than 3 times as many books as we had 5 years ago." If the librarian now has 1,510 books, how many did it have 5 years ago?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The librarian said, "We have 10 more than 3 times as many books as we had 5 years ago." If the librarian now has 1,510 books, how many did it have 5 years ago?      Log On