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Robyn adopted a child who is exactly 28 years younger than her. In one year's time, Robyn will be 3 times as old as her child will be. How old is Robyn now?
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Nov 12, 2023
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Robyn adopted a child who is exactly 28 years younger than her.
In one year's time, Robyn will be 3 times as old as her child will be.
How old is Robyn now?
Mathematics
high-school
GooDeeJAY
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If Robyn’s age is r then her child is r-28.
In one year Robyn will be r+1 and her child r-27
r + 1 = 3(r - 27)
r + 1 = 3r - 81
r - r + 1 + 81 = 3r - r - 81 + 81
82 = 2r
r = 41
Robyn is 41 years old
Dork
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Nov 17, 2023
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