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Mother is M years old, and she is 4 times as old as her daughter, her age is x+8/x. how much older is the mother than her daughter, Mary?

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4(x + (8)/(x)) - (x + (8)/(x)) = 3(x + (8)/(x)) = 3x + (24)/(x)

ok done. Thank to me :>

User Bryanbcook
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