document.write( "Question 656931: a student correctly answered 15 test questions. if his percentage grade was 83% how many questions were on the test? \n" ); document.write( "
Algebra.Com's Answer #409708 by fcabanski(1391)\"\" \"About 
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Part/whole x 100 = %.


\n" ); document.write( "15/x x 100 = 83 or 15/x = .83


\n" ); document.write( "15 = .83x


\n" ); document.write( "15/.83 = x = about 18 \n" ); document.write( "

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