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Kaitlyn missed 15% of the 20 questions on her science lab. How many questions did Kaitlyn answer correctly?

Kaitlyn missed 15% of the 20 questions on her science lab. How many questions did Kaitlyn answer correctly?
asked 8.8k views
3 votes
Kaitlyn missed 15% of the 20 questions on her science lab.

How many questions did Kaitlyn answer correctly?

asked
User Vinay Sandesh
by
7.3k points

2 Answers

2 votes
85% of 20 questions right would be 8.5 out of 10, so out of 20 he would have 17 correct answers
answered
User Shourya Shikhar
by
8.0k points
3 votes
she answered 17 questions correctly.
20* .15=3
she missed 3 questions.
20-3=17
answered
User Markroxor
by
8.9k points
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