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OpenStudy (anonymous):
i need helpe whith this A test has 20 questions. If Peter gets 80 percent correct, how many questions did Peter miss?
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OpenStudy (anonymous):
he missed 4 questions
OpenStudy (anonymous):
100% means he had all of them right, so if he had 80%, he missed 20%. 20% is 2/10, or 4/20. When you read this, you might say 4 out of 20, meaning he missed... 4.
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