Aschool is holding elections for student government. first place votes receive 5 points, second place votes receive 3 points, third place votes receive 1 point and other places receive no points. two people are tied for first place, pete and george. pete had 180 first place votes, 90 second place votes and 10 third place votes. if george had 160 first place votes and 110 second place votes, how many third place votes did he receive?