A can do a piece of work in 32 days and B in 48 days. They work together for 8 days and then A goes away. In how much time (in days) will B finish the 60% of the remaining work?
18 \( \frac{2}{5} \)
19 \( \frac{3}{4} \)
16 \( \frac{4}{5} \)
17 \( \frac{3}{7} \)