Suppose n is a positive integer and \mathrm{d} is a single digit in base 10. Find n if
\frac{n}{810}=0 . \mathrm{d} 25 \mathrm{~d} 25 \mathrm{~d} 25 \ldots
Suppose n is a positive integer and \mathrm{d} is a single digit in base 10. Find n if