Question 832357
THREE YEARS AGO NAVIN AND PAMMI HAD AN AVERAGE AGE OF 18YEARS.WITH SUBHA JOINING THEM NOW THEIR AVERAGE BECAME 22YEARS.WHAT IS SUBHA'S AGE NOW?
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Equations:
(n-3 + p-3)/2 = 18
(n+p+s)/3 = 22
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Rearrange:
(n+p-6) = 36
n+p = 42
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Substitute and solve for "s":
(n+p+s) = 66
42+s = 66
s = 24 (Subha's age now)
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Cheers,
Stan H.
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