document.write( "Question 154972: My son is back in school, and my algebra from 20+ years ago is not coming back to me...\r
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document.write( "Please help me with this:\r
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document.write( "Julie is 4 times older than Aaron. In 10 years Julie will be twice as old as Aaron. How old are Julie and Aaron? \n" );
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Algebra.Com's Answer #114099 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Julie is 4 times older than Aaron. In 10 years Julie will be twice as old as Aaron. How old are Julie and Aaron? \n" ); document.write( "------------------------------------------ \n" ); document.write( "Now DATA: \n" ); document.write( "Let Aaron be x yrs old. \n" ); document.write( "Then Julie is 4x yrs old \n" ); document.write( "------------------------- \n" ); document.write( "10 years from now DATA: \n" ); document.write( "Aaron will be x+10 yrs old. \n" ); document.write( "Julie will be 4x+10 yrs old. \n" ); document.write( "------------------------------ \n" ); document.write( "EQUATION: \n" ); document.write( "Julie = twice Aaron's age. \n" ); document.write( "4x+10 = 2(x+10) \n" ); document.write( "4x + 10 = 2x + 20 \n" ); document.write( "2x = 10 \n" ); document.write( "x = 5 (Aaron's age NOW) \n" ); document.write( "4x = 20 (Julie's age NOW) \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |