Alexander correctly answered 44 out of 50 questions on his geography test. what percent of the question did he answer incorrectly? express your answer as a percent and as a decimal.

So, there was 50 questions, so that means that,

50 = 100%
44 = x %

44*100=4,400
4,400/50 = 88% 

100%-88% = 12% = 0.12

I think that's how you do it. 

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