Question

You earned a 90% on a test if there are 30 questions how many did you answer correctly?

Answer 1

27

Explanation:

you can do cross multiplication

90/100 = x/30

100x=2700

x=27

Answer 2

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