SOLUTION: if i got a 73% on a 20 question assignment how many questions did i miss ?

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Question 535409: if i got a 73% on a 20 question assignment how many questions did i miss ?
Found 2 solutions by rfer, josmiceli:
Answer by rfer(16322) About Me  (Show Source):
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
You got +100+-+73+=+27+ % wrong
+.27%2A20+=+5.4+
Rounded off to a whole number you
missed 5