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On a field trip, the ratio of teachers to students is 2:9. If there are 81 students ion the field trip, how many teachers must there be.
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On a field trip, the ratio of teachers to students is 2:9. If there are 81 students ion the field trip, how many teachers must there be.

User Sayalok
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well, nine times nine is eighty-one and nine times two is eighteen therefore the answer is eighteen teachers.
User Akshay Damle
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