A and B can complete a task together in 35 days. If A works alone and completes \(\frac{5}{7}\) of the task and then leaves the rest for B to complete by herself, it will take a total of 90 days to complete the task. How many days would it take A, the more efficient among the duo, to complete the entire work by herself?
1
45
2
48
3
40
4
42