Math CentralQuandaries & Queries


Question from Kelli, a student:

Russell is 6 years older than Samantha.
In 4 years the sum of their ages will be 78. How old is Russell now?

Hi Kelli,

Suppose that Samantha's age is $s$ years. What is Russell's age? How old will Samantha be in 4 years? How old will Russell be in 4 years?


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