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Mathematics 18 Online
OpenStudy (anonymous):

Teri and Jennifer have 480 holiday cookies altogether. Teri has 1 23 as many cookies as Jennifer. How many cookies does Jennifer have?

OpenStudy (mathmale):

Represent your unknowns. Let t = the # of cookies that Teri has; let j=the # of cookies that Jenn has. Write a formula for t in terms of j. If you now add t and j together, what must the sum be? Can you eliminate one of the variables (either j or t) and solve for the one that's left?

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