Asked by felicity
                a student spent 7/9 of a 3 hours examination, how many minutes has he to complete the duration of thee examination?
            
            
        Answers
                    Answered by
            Anonymous
            
    9/9 - 7/9 = 2/9
and
3 * 60 = 180 minutes
so
2/9 * 180 = 40 minutes
    
and
3 * 60 = 180 minutes
so
2/9 * 180 = 40 minutes
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