alebra problem

Question

sudha and berth are in middle of card game .beth says to sudha u have more cards then me .but if u give me 3 of your cards we will have same number of cards. how many more cards does sudha have then berth.

Answer 1

If Sudha gives 3 cards away, then Berth has 3 more cards than before, so Sudha has 6 more cards than Berth.