alonso1372p221rb alonso1372p221rb

05-01-2018
Mathematics

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a studen receive a 75% on an exam if there were 20 question on the exam witch ratio would show the number of questions answered correctly

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Аноним Аноним

05-01-2018

75/100 = x/20 =>
x= 75×20/100
x= 1500/100
x= 15 questions answered correctly

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