# Fine with Five?

Logic Level 4

The digits of the positive integer $$n$$ include no 9s, exactly four 8s, exactly three 7s, exactly two 6s, and some other digits. If the sum of the digits of $$n$$ is 104 and the sum of the digits of $$2n$$ is 100, then how many times the digit 5 occurs in n?

×