108k views
4 votes
Sue answered 80% of 150 test questions correctly. how many questions did she not answer correctly?

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
7.8k 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
by
8.3k points

No related questions found