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Counting CD's 
20011106 

Jason pose la question : An older brother said to his younger brother, "Give me 8 of your CDs, then I will have twice as many as you." The younger brother replied, "No, you give me 8 of yours instead, and then we'll have an equal number." How many CDs does each boy have? Chris Fisher lui répond. 





Tapes and CD's 
20001022 

Arnold pose la question : Nicole has 25 CDs and tapes altogether. When she tries to pair them up, she has 4 CDs left over. How many tapes does Nicole have? Penny Nom lui répond. 


