document.write( "Question 989574: Robert is 3 times older than John. In 6 years, Robert will be only twice as old as John. How old is Robert right now? \n" ); document.write( "
Algebra.Com's Answer #609858 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Robert is 3 times older than John. In 6 years, Robert will be only twice as old as John. How old is Robert right now? \n" ); document.write( "------- \n" ); document.write( "r = 3j \n" ); document.write( "r+6 = 2(j+6) \n" ); document.write( "---- \n" ); document.write( "Substitute for \"r\" and solve for \"j\":: \n" ); document.write( "3j+6 = 2j+12 \n" ); document.write( "j = 6 (john's age now) \n" ); document.write( "---- \n" ); document.write( "r = 3j = 18 (robert's age now) \n" ); document.write( "----------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |