SOLUTION: on a 30 question test how many can you miss in order to receive a 70%?

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Question 357194: on a 30 question test how many can you miss in order to receive a 70%?
Found 2 solutions by stanbon, mananth:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
on a 30 question test how many can you miss in order to receive a 70%?
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0.70*30 = 21
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30-21 = 9
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You can miss 9
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Cheers,
Stan H.

Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
questions 30
required 70%
..
can miss 30 %
30 *30/100= 9
..
you can miss 9 questions
...
m.ananth@hotmail.ca