document.write( "Question 646055: Arthur is 16years old and his sister Renie 10years old. how many years go was Arthur twice the age of Renie \n" ); document.write( "
Algebra.Com's Answer #405728 by sachi(548)\"\" \"About 
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Arthur is 16years old and his sister Renie 10years old
\n" ); document.write( "say x yrs ago Arthur was twice the age of Renie
\n" ); document.write( "so 16-x=2(10-x)=20-2x
\n" ); document.write( "or x=20-16=4
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