Asked by Sue
Ulani has two sisters. Ulanis older sister is twice her age plus one. Her younger sister is 3 years less than ulanis age. What is ulsnis age if their sum of she's equals 26?
Answers
Answered by
Steve
If their ages are
younger sister: x
Ulani: y
elder sister: z
then we have
z = 2y+1
x = y-3
x+y+z = 26
(y-3) + y + (2y+1) = 26
4y-2 = 26
y = 7
younger sister: x
Ulani: y
elder sister: z
then we have
z = 2y+1
x = y-3
x+y+z = 26
(y-3) + y + (2y+1) = 26
4y-2 = 26
y = 7
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