document.write( "Question 850258: If 30% of a number is 15, what is the number? \n" ); document.write( "
Algebra.Com's Answer #512062 by jim_thompson5910(35256)\"\" \"About 
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30% of a number is 15\r
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\n" ); document.write( "\n" ); document.write( "(30/100)*x = 15\r
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\n" ); document.write( "\n" ); document.write( "0.30x = 15\r
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\n" ); document.write( "\n" ); document.write( "x = 15/0.30\r
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\n" ); document.write( "\n" ); document.write( "x = 50\r
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\n" ); document.write( "\n" ); document.write( "The unknown number is 50
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