document.write( "Question 885337: Lani is twice as old as Liza.the quotient of their ages five years ago was seven less than Liza's present age.find their present age
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Algebra.Com's Answer #535113 by ewatrrr(24785)\"\" \"About 
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\"%282z-5%29%2F%28z+-5%29+=+z-7\"
\n" ); document.write( " 2z -5 = z^2 - 12z + 35
\n" ); document.write( " z^2 - 14z + 40
\n" ); document.write( "(z-10)(z-4) = 0, z = 10, Liza present age. Lani is 20
\n" ); document.write( "and
\n" ); document.write( " 15/5 = 3
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