34.1k views
4 votes
You earned a 90% on a test if there are 30 questions how many did you answer correctly?

2 Answers

10 votes

Answer:

27

Explanation:

you can do cross multiplication

90/100 = x/30

100x=2700

x=27

User ByteNirvana
by
7.1k points
9 votes
30 / 10 = 3 , this gives you 10%. Now you need to multiply this by 9. This gives you 27.

You got 27 questions correct

Hope this helps
User Deray
by
8.3k points

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