SOLUTION: i have 43 questions how many can i miss to get 85%

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Question 533378: i have 43 questions how many can i miss to get 85%
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = number that you have to answer correctly
+x%2F43+=+.85+
+x+=+.85%2A43+
+x+=+36.55+
The next whole number is 37, so the
number you can miss and get 85% right
is +43+-+37+ = 6