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29 July, 07:42

In order to pass the entrance exam a prospective student must answer 80% of the questions correctly. The exam has 30 questions what is the smallest number of questions a tester must answer correctly in order to pass the test?

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  1. 29 July, 08:05
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    80% of 30 ... " of " means multiply, change percent to decimal

    0.80 (30) = 24 ... so the student must answer at least 24 questions correctly.
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