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Joana joins a cd club. She pays $7 per month plus $10 for each cd that she orders. Write an equality to find how many cd's she can purchase in a month. If she spends no more than $100. Identify what your variable represents.

Answer :

Elizabelle
[tex]7x+10 \leq 100[/tex]

x=the number of months

So the "7x" is the $7 per month, and the "10" is the $10 for each CD being ordered. It can't be more than 100, so the "less than or equal to" sign will be used. 


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