SOLUTION: A student missed 7 questions on her science quiz and received a 79%, if all problems were equal value how many problems were on the quiz

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Question 1017262: A student missed 7 questions on her science quiz and received a 79%, if all problems were equal value how many problems were on the quiz
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +n+ = number of problems on the quiz
+n+-+7+ is the number the student got right
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I can say:
+%28+n+-+7+%29+%2F+n+=+.79+
+n+-+7+=+.79n+
+n+-+.79n+=+7+
+.21n+=+7+
+n+=+33.333+
This didn't come out a whole number
I guess there were 33 questions