Homework Help: statistics

Posted by Mya on Friday, May 20, 2011 at 8:12pm.

On a test, 55% of the questions are answered correctly. If 44 questions are correct, how many questions are on the test?

statistics - Ms. Sue, Friday, May 20, 2011 at 8:18pm
55/100 = 44/x

55x = 4400
x = 4400/55
x = 80

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