A 50 years old woman has a son whose age is of her age2/5 . After how many years, the ratio of the age of the woman to her son will be 5/3 ?
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Step-by-step explanation:
age of women = 50
age of son = 2/5 * 50 = 20
50 + x 5
--------------- = --------
20+x 3
150+3x = 100+5x
50 = 2x
x = 25years
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