Liciloo04 Liciloo04
  • 23-01-2017
  • Mathematics
contestada

suppose there are 20 questions on a multippe choice. if 25% of the answers are choice B how many , how many of the answers are not choice B


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merxinda
merxinda merxinda
  • 23-01-2017
15 questions
25/100=1/4
1/4 = x/20
1*20=20
20/4 = 5
20-5= 15
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hilo1 hilo1
  • 23-01-2017
15 question aren't choice b
60 answers aren't choice b
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