Seudónimo Seudónimo
  • 01-11-2016
  • Mathematics
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The school student council sponsor a switch day where students were able to switch classes every 20 minutes the students are in school for seven hours if a student switches as often as possible how many classrooms in all did that student visit

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goat1998
goat1998 goat1998
  • 01-11-2016
60*7=420/20=21 the anwser is 21 
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Аноним Аноним
  • 01-11-2016
The answer is 21 I am sure
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