A can complete the work in 8 days and B can complete the same work in 12 days and C can complete the same work in 6 days. If B and C worked for x days and the remaining work completed by A in (x + 2) days. Find the how much percentage of work completed if A alone worked for (x + 4) days.
1
95%
2
90%
3
75%
4
100%
5
80%