document.write( "Question 1128459: john age is 2 years more than twice Mai's age and the sum of their age is 32 years. How old is each? \n" ); document.write( "
Algebra.Com's Answer #744917 by ikleyn(52788)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ANSWER. John is 22 years old; Mai is 10 years old.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solution\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "For a minute, take off 2 years from the John's age.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then you have two quantities: the \"corrected\" John's age and the Mia's age.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The first quantity is 2 times the second and they sum up to 32-2 = 30.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "x + 2x = 30 ====> 3x = 30 ====> x = 30/3 = 10.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Thus Mia is 10 years old and John is 2x + 2 = 2*10 + 2 = 22 years old.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |