SOLUTION: the sum of the ages of a woman and her daughter is 40. In 4 years time the ratio of their ages will be 7:2. Find their present ages.

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Question 937209: the sum of the ages of a woman and her daughter is 40. In 4 years time the ratio of their ages will be 7:2. Find their present ages.
Answer by Alan3354(69443) About Me  (Show Source):
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the sum of the ages of a woman and her daughter is 40. In 4 years time the ratio of their ages will be 7:2. Find their present ages.
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In 4 yrs, the sum will be 48.
7x + 2x = 48
x = 48/9 = 16/3
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In 4 years, they'll be 112/3 and 32/3 years.
Now, they're 100/3 and 20/3 years of age.