Mоrtimer Snerd gоes оn vаcаtion to see the Biggest Bаll of Twine in Minnesota. He writes letters to some of his friends, and sends postcards to the rest. Letters cost $0.35 to send, and postcards cost $0.25. If he spent $9.10 in all on postage and wrote to 28 different people, how many letters and how many postcards did he send?(MAKE SURE TO SUPPLY TWO ANSWERS!)