Answer:
6 Chocolate bars and c marshmallows would be needed to completely use all the 12 graham crackers.
We can be able to make 6 s'mores.
Explanation:
2G + 1C + 1M → S
According to reaction , 2 graham crackers along with 1 chocolate bar and 1 marshmallow gives 1 s'more.
Then for 12 graham crackers will combine with:
[tex]\frac{1}{2}\times 12=6 chocolates[/tex]
Then for 12 graham crackers will combine with:
[tex]\frac{1}{2}\times 12=6 marshmallows[/tex]
Then 12 graham crackers will give:
[tex]\frac{1}{2}\times 12=6 s'mores[/tex]
We can be able to make 6 s'mores.