Answer:
multiply by 12 and would serve 18 people
Explanation:
I did a test for it
We multiplied the original recipe by 3/2 or 1 1/2, the new recipe will serve 18 people.
to get 1 to 3 you multiply it by 3 and to get 4 to 8 you multiply it by 2 so you end up with 3/2 or 1 1/2
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