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A student answers ​% of the questions on a math exam correctly. If answers questions​ correctly, how many questions are on the​ exam?

A student answers ​% of the questions on a math exam correctly. If answers questions​ correctly, how many questions are on the​ exam?
asked 116k views
1 vote
A student answers ​% of the questions on a math exam correctly. If answers questions​ correctly, how many questions are on the​ exam?

asked
User Serkan Yilmaz
by
8.0k points

1 Answer

4 votes

Answer:

30 questions

Explanation:

27=90%

Divide both sides by 9

3=10%
Multiply both sides by 10

30=100%

answered
User Paul Raymond
by
8.3k points
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