Of the three-digit integers greater than 700, how many have two digits that are equal to each other and the remaining digit different from the other two
707 711 717 722 727 733 737 744 747 755 757 766 767 770 771 772 773 774 775 776 778 779 787 788 797 799 800 808 811 818 822 828 833 838 844 848 855 858 866 868 877 878 880 881 882 883 884 885 886 887 889 898 899 900 909 911 919 922 929 933 939 944 949 955 959 966 969 977 979 988 989 990 991 992 993 994 995 996 997 998 >> Total = 80 such numbers
