In some test, three problems, A, B, and C were posed. Among the participants there were 25 who solved at least one problem. Of all the participants
who did not solve problem A, the number who solved problem B was twice the number who solved C. The number who solved only problem A was one
more than the number who solved A and at least one other problem. Of all
participants who solved just one problem, half did not solve problem A. How many solved just problem A?

• 7 students solved only problem A.
• 12 years agoHelpfull: Yes(3) No(3)