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)![]() ![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( " |