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algebra help
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09-30-2009
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Mr. Hui
Join Date: Mar 2005
Posts: 10,609
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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