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Sue answered 80% of 150 test questions correctly. how many questions did she not answer correctly?
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4 votes
Sue answered 80% of 150 test questions correctly. how many questions did she not answer correctly?

User Mithun Arunan
by
6.4k points

2 Answers

2 votes
120 divided by 150 = 0.8 in percent it would be 80%. So she got 30 incorrect
User Emily Mabrey
by
6.1k points
6 votes
She answered 30 questions incorrectly.
Multiply 80% (0.80) by 150 which should give you 120
Subtract 120 from 150 and you get your answer 30
User Emran
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6.6k points
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