Question 816129: [ a. Sandy's age is 2 years more than twice Pablo's age. Last year [Pablo] was one-third of Sandy's age. How old are Pablo and Sandy? ]
b. Peggy had twin sisters, Emma and Ethel. In four years Peggy will be as old as the twins are now. The sum of the sisters' ages is 24. How old is each sister?
Thank you!
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! a:
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s = 2p + 2
p - 1 = (1/3)(s - 1)
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p - 1 = (1/3)(s - 1)
p - 1 = (1/3)(2p + 2 - 1)
3p - 3 = 2p + 1
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Answer:
pablo = 4
sandy = 10
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b:
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p + 4 = t
p = t - 4
p + 2t = 24
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p + 2t = 24
t - 4 + 2t = 24
3t = 28
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Answer:
emma = ethel = 9 + 1/3
peggy = 5 + 1/3
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