johnson was sitting for a entrance examination i the form of a multiple choice quiz. about an hour later, he managed to answer 1/2 of the questions. after another twenty minutes, he managed to answer anoter 18 questions and was left with 1/5 of the quiz unanswered. how many questions are there in the quiz?
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.