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09292009  #1 
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algebra help
Ulani has an older sister and a younger sister. Her older sister is one year more than twice Ulani’s age. Ulani’s younger sister is three years younger than she is. The sum of their three ages is 26. Find Ulani’s age.

09302009  #2 
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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10012009  #3  
Join Date: Oct 2009
Posts: 1

Quote:
I suggest you try problems from www.mathocean.com which contains lot of word problems based on single variable. 

02202010  #4 
Join Date: Feb 2010
Posts: 388

Not good at algrabra

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