SOLUTION: If I get a 85% on a test and I missed 9 -- how do I figure out how many questions were on the test?

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Question 537871: If I get a 85% on a test and I missed 9 -- how do I figure out how many questions were on the test?
Found 2 solutions by solver91311, ankor@dixie-net.com:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


If you got 85% correct, but missed 9, then 9 must be 15% of the total. So let represent the total number of questions and then:



Solve for

John

My calculator said it, I believe it, that settles it
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Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
If I get a 85% on a test and I missed 9 -- how do I figure out how many questions were on the test?
:
Well, if you got 85% right then, 15% were wrong, therefore if x = no. of questions
.15x = 9
x = 9%2F.15
x = 60 questions
:
Check this, 51 were right: 51/60 = .85