document.write( "Question 401113: The sum of one-half of a number, one-ninth of the number, and one-twelfth of the number is twenty-five. What is the original number? \n" ); document.write( "
Algebra.Com's Answer #283823 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! The sum of one-half of a number, one-ninth of the number, and one-twelfth of the number is twenty-five. What is the original number? \n" ); document.write( "Here's one way to do it:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = the number\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1/2(x) + 1/9(x) 1/12(x) = 25 \n" ); document.write( "36[1/2(x) + 1/9(x)+ 1/12(x) = 25] {multiplied entire equation by the LCD, 36} \n" ); document.write( "36(1/2x) + 36(1/9x) + 36(1/12x) = 36(25) {multiplied each term by 36} \n" ); document.write( "18x + 4x + 3x = 900 {multiplied each term by 36} \n" ); document.write( "25x = 900 {combined like terms} \n" ); document.write( "x = 36 {divided both sides by 36} \n" ); document.write( "www.algebrahouse.com\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |