SOLUTION: At a used bookstore, Carlos bought 2 paperback books for $1.75 each and some children’s books for $0.75 each, including tax. He spent a total of $5.75. How many children’s books di

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: At a used bookstore, Carlos bought 2 paperback books for $1.75 each and some children’s books for $0.75 each, including tax. He spent a total of $5.75. How many children’s books di      Log On


   



Question 1108321: At a used bookstore, Carlos bought 2 paperback books for $1.75 each and some children’s books for $0.75 each, including tax. He spent a total of $5.75. How many children’s books did Carlos buy?

Answer by ikleyn(52894) About Me  (Show Source):
You can put this solution on YOUR website!
.
%285.75-2%2A1.75%29%2F0.75 children books.


Calculate it on your own.

On the way, try to understand why this formula works.