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Old 09-30-2009   #2
Mr. Hui


 
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Join Date: Mar 2005
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Let U = Ulani's age
and
O = Older sister's age
Y = Younger sister's age

O = 2U + 1
Y = U - 3

U + (2U + 1) + (U - 3) = 26

Solving for U.

4U - 2 = 26
U = 7
O = 15
Y = 4
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