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Shalu is now two-thirds of Shaina's age. In six.............If they are both under the age of ten, how old are they now?

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Shalu is now two-thirds of Shaina's age.
In six years, Shalu will be four-fifths of Shaina's age.
In 15 years, Shalu will be seven-eighths as old as sister Shaina.
If they are both under the age of ten, how old are they now?

posted Apr 1, 2019 by Rahul Vaidya

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1 Answer

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6 and 9 years old


Given:
Now------> x=2/3*y
In 6 years--------> x+6= 4/5*(y+6)
In 15 years --------> x+15= 7/8*(y+15)
x and y < 10


solving above we get x=6, y=9

answer Apr 1, 2019 by Hanifa Mammadov



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