27. Someone took $\frac{1}{13}$ from the treasury. From what was left, another took $\frac{1}{17}$, and he left 150 in the treasury. We want to find out how much was originally in the treasury?
27. In the treasury, there was $172 \frac{21}{32}$. In the papyrus, the fractional part is represented as the sum of unit fractions: $\frac{1}{2}+\frac{1}{8}+\frac{1}{48}+\frac{1}{96}$.