document.write( "Question 315179: 90 is 45% of what? \n" ); document.write( "
Algebra.Com's Answer #225486 by nerdybill(7384)\"\" \"About 
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90 is 45% of what?
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\n" ); document.write( "Let x = number we're looking for
\n" ); document.write( "then
\n" ); document.write( ".45x = 90
\n" ); document.write( "x = 90/.45
\n" ); document.write( "x = 200
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