A can complete \(2 \over 3\) of a work in 10 days and B can complete \(4 \over 5\) of the same work in 8 days. They work together for 5 days. The remaining work is completed by C alone in 6 days. In how many days C alone can complete 75% of the same work?
1
27
2
36
3
18
4
30