The sum of the last four digits of Marian’s phone number is 30. How many such four-digit sequences are there?
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3999 4899 4989 4998 5799 5889 5898 5979 5988 5997 6699 6789 6798 6879 6888 6897 6969 6978 6987 6996 7599 7689 7698 7779 7788 7797 7869 7878 7887 7896 7959 7968 7977 7986 7995 8499 8589 8598 8679 8688 8697 8769 8778 8787 8796 8859 8868 8877 8886 8895 8949 8958 8967 8976 8985 8994 9399 9489 9498 9579 9588 9597 9669 9678 9687 9696 9759 9768 9777 9786 9795 9849 9858 9867 9876 9885 9894 9939 9948 9957 9966 9975 9984 9993 Total = 84
