document.write( "Question 390191: The sum of 4 times joans age and 3 times jim's age is 47. Jim is 1 yea
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document.write( "r less than twice as old as joan. Find each of their ages. \n" );
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Algebra.Com's Answer #276609 by mananth(16946)![]() ![]() You can put this solution on YOUR website! The sum of 4 times joans age and 3 times jim's age is 47. Jim is 1 yea \n" ); document.write( "r less than twice as old as joan. Find each of their ages. \n" ); document.write( "... \n" ); document.write( "Joan x years \n" ); document.write( "Jim 2x-1 \n" ); document.write( ".. \n" ); document.write( "4 times joan's age = 4x \n" ); document.write( "3 times jim's age = 3(2x-1) \n" ); document.write( ".. \n" ); document.write( "4x+3(2x-1)=47 \n" ); document.write( "4x+6x-3=47 \n" ); document.write( "10x-3=47 \n" ); document.write( "add 3 to both sides \n" ); document.write( "10x=50 \n" ); document.write( "/10 \n" ); document.write( "x=5 Joan's age \n" ); document.write( "Jim's age = 2x-1=2*5-1=9 \n" ); document.write( "Joan 5 years \n" ); document.write( "Jim 9 years \n" ); document.write( ".. \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |