document.write( "Question 313937: When 10% of a number is added to the number, the result is 143. What is the number? \n" ); document.write( "
Algebra.Com's Answer #224439 by advedantatutor(4)\"\" \"About 
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The original number + 10% of that number = 110%
\n" ); document.write( "110% = 143
\n" ); document.write( "100% = x
\n" ); document.write( "cross multiply
\n" ); document.write( "110 x x = 100 x 143
\n" ); document.write( "x = 100 x 143/110
\n" ); document.write( "= 130
\n" ); document.write( "The original number is 130.\r
\n" ); document.write( "\n" ); document.write( "check :
\n" ); document.write( "10% of 130 = 13.
\n" ); document.write( "130 + 13 = 143.
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