document.write( "Question 1139896: Bob is 5 years younger than Kyle. Four years later, Kyle will be twice as old as Bob. How old is Kyle now? \n" ); document.write( "
Algebra.Com's Answer #760394 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The solution by the other tutor is a fine formal algebraic solution. \n" ); document.write( "You can also get some good practice in logical reasoning by solving the problem informally. \n" ); document.write( "The difference in their ages is 5 years now; it will always be 5 years. \n" ); document.write( "Since the difference in their ages will always be 5 years, Kyle will be twice as old as Bob when Kyle is 10 and Bob is 5. \n" ); document.write( "Since it is 4 years from now that Kyle will be twice as old as Bob, Kyle's age now is 10-4 = 6. \n" ); document.write( " |