document.write( "Question 111971: Ann's age is seven tenths of Bill's age. In 4 years Ann's age will be eight elevenths of Bills age. How old is Bill now?\r
\n" ); document.write( "\n" ); document.write( "I can't get this. Thanks for your help
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Algebra.Com's Answer #81752 by checkley71(8403)\"\" \"About 
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A=.7B
\n" ); document.write( "IN 4 YEARS THEIR AGES WILL BE:
\n" ); document.write( "AMY=.7B+4
\n" ); document.write( "AND BILL WILL BE B+4
\n" ); document.write( ".7B+4=(B+4)8/11
\n" ); document.write( ".7B+4=(8B+32)/11 NOW CROSS MULTIPLY
\n" ); document.write( "11(.7B+4)=8B+32
\n" ); document.write( "7.7B+44=8B+32
\n" ); document.write( "7.7B-8B=32-44
\n" ); document.write( "-.3B=-12
\n" ); document.write( "B=-12/.3
\n" ); document.write( "B=40 YEARS OLD NOW.
\n" ); document.write( "A=.7*40
\n" ); document.write( "A=28 YEARS OLD NOW.
\n" ); document.write( "PROOF
\n" ); document.write( "28+4=(40+4)8/11
\n" ); document.write( "32=44*8/11 (DIVIDE 44 BY 11)
\n" ); document.write( "32=4*8
\n" ); document.write( "32=32\r
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