Question
Ama's age is two-thirds that of her older sister. Four years ago,Ama's age was half the sisters.
How old is the sister?
How old is the sister?
Answers
Answered by
oobleck
a = 2/3 s
a-4 = 1/2 (s-4)
so that means
2/3 s - 4 = 1/2 s - 2
1/6 s = 2
s = 12
a-4 = 1/2 (s-4)
so that means
2/3 s - 4 = 1/2 s - 2
1/6 s = 2
s = 12
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