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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