document.write( "Question 774583: Robert got an 84% on his last exam if he answered 42 questions correctly, how many questions were there on the exam? \n" ); document.write( "
Algebra.Com's Answer #472424 by ankor@dixie-net.com(22740)\"\" \"About 
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Robert got an 84% on his last exam if he answered 42 questions correctly,
\n" ); document.write( " how many questions were there on the exam?
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\n" ); document.write( "let n = number questions on the exam
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\n" ); document.write( "\"42%2Fn\" = .84
\n" ); document.write( "42 = .84n
\n" ); document.write( "n = 42/.84
\n" ); document.write( "n = 50 questions
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