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anonymous
 one year ago
Kathy is eight years younger than her sister Mary. If Mary is m years old, which expression describes Kathy's age?
anonymous
 one year ago
Kathy is eight years younger than her sister Mary. If Mary is m years old, which expression describes Kathy's age?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Anytime we get younger, we go down in age, or subtract years. So if Kathy is 8 years younger than Mary, we have to subtract 8 years from Mary's age. M=Mary's age, K=Kathy's age M8=K
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