document.write( "Question 434316: what number added to 80% of itself is 45? \n" ); document.write( "
Algebra.Com's Answer #300914 by nerdybill(7384)\"\" \"About 
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what number added to 80% of itself is 45?
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\n" ); document.write( "Let x = the number
\n" ); document.write( "then
\n" ); document.write( "x + .80x = 45
\n" ); document.write( "1.80x = 45
\n" ); document.write( "x = 25
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