Three students A, B and C were working on a project. A is 40% more efficient than B, who is 40% more efficient than C. A takes 10 days less than B to complete the project. A starts the project and works for 10 days and then B takes over. B works on the project for the next 14 days and then stops the work, handing it over to C to complete it. In how many days, would C complete the remaining project?