17. At a certain university, if 50 percent of the people who inquire about admission policies actually submit applications for admission, what percent of those who submit applications for admission enroll in classes at the university?
(1) Fifteen percent of those who submit applications for admission are accepted at the university.
(2) Eighty percent of those who are accepted send a deposit to the university.
I ended up solving this like give below :
(1) 15% of those who submit are accepted : noi indication of how many enrol INSUFFI
(2)80% of accepted send deposit to university -> no indication of how many accepted INSUFFI
combine both : 80 % of15% of those submitting forms are depositing to university hence IMO C
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