Find the value of [(12 × 10) × {6 ÷ 6 × \(\frac{15 - 12}{3}\)}]
A can do a piece of work in 15 days and B can do it in 24 days. If they do the work alternately, in how many days will they finish the work, provided that A begins the work?
18\( \frac{1}{4} \)
18\( \frac{3}{8} \)
17
17\( \frac{2}{5} \)