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Mathematics 17 Online
OpenStudy (anonymous):

School guidelines require that there must be at least 2 chaperones for every 25 students going on a school trip. How many chaperones must there be for 80 students? B. 40 chaperones C. 3 chaperones D. 7 chaperones

OpenStudy (lgbasallote):

hint: 2:25 = x: 80 use ratio and proportion

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