Based on the fact that the original recipe called for 1 ¹ /₄ cups of gulf shrimp and the ingredients have to be increased proportionally, the Gulf Shrimp needed for the new recipe is 3 cups.
First, find the measure of increase in the number of people being served by the new recipe:
= 12 / 5
= 2.4 times
The Gulf Shrimp is to be increased proportionally which means that the increase will be:
= Quantity of gulf shrimp x measure of increase
= 1 ¹ /₄ x 2.4
= 3 cups
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