Brett, Kristy, and Rob collect sports cards.
They keep their cards in packs of ten.

• Brett has 3 packs of baseball cards and 4 cards left over. He has 4 packs of football cards and no cards left over.
• Kristy has one 1 more pack of baseball cards than Brett and 6 cards left over. She has 5 more football cards than Brett.
• Rob has 11 more baseball cards than Kristy.
• He has 2 fewer packs of football cards than Brett. He has 2 football cards left over.

How many cards does each person have?