Ralph sold brownies for $0.28 a piece in order to earn money for baseball cards. if the cards cost $0.60 per pack, and if ralph had no money left over after buying them, what is the least number of brownies he must have sold
If he had no money left over, the least number of brownies he had to have sold is 15 brownies. He would have made $4.20, and this would be enough to buy 7 packs of cards.