Alvin is inviting 7 friends to a party. If each friend will get 4 cookies and each box has 12 cookies, how many boxes does Alvin
1 answer:
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Answer:
3
Step-by-step explanation:
You can solve for any variable. From the first equation, let's solve for c :
Now, replace the value of c into the other equation:
Using distributive property
However, keep in mind that this is true for: