SOLUTION: 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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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
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
2z -5 = z^2 - 12z + 35
z^2 - 14z + 40
(z-10)(z-4) = 0, z = 10, Liza present age. Lani is 20
and
15/5 = 3
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