SOLUTION: If you get a 89% on a test and you miss 5 questions, how many questions were on the test?

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Question 551514: If you get a 89% on a test and you miss 5 questions, how many questions were on the test?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = the number of questions on the test
given:
+5+ = number missed
+x+-+5+ = number that are right
+%28+x+-+5+%29+%2F+x+=+.89+
+x+-+5+=+.89x+
+.11x+=+5+
+x+=+5%2F.11+
+x+=+45.45+
There are 45 questions on the test
check:
+%28+45+-+5+%29+%2F+45+=+40%2F45+
+40%2F45+=+.8888+
This is about 89%