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| Math Central | Quandaries & Queries |
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Question from Victoria, a student: Todd is 3 years older than his brother Jack. If Jack is x years old and Todd is y years old, write a rule that relates their ages over time. When Jack is 28 years old, how old will Todd be? |
Hi Victoria,
Todd is 3 years older than his brother Jack. When Jack is 6 years old how old is Todd? When Jack is 8 years old how old is Todd? In each case what did you do to Jack's age to get Todd's Age? When Jack is x years old how old is Todd?
Penny
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