Assuming you want to make a chicken vegetable salad whose main ingredients are lettuce, cabbage, pineapple, carrots, potatoes, chicken and quail, there are 168 ways to put four ingredients at a time.
It corresponds to a grouping of combinatorial analysis, where n is the number of elements of k, which are subsets formed with k elements.
Therefore, when using 7 ingredients to combine using every 4 ingredients, there are 168 possible ways to make this combination.
Find out more about combinatorial analysis here:
https://brainly.com/question/13524888
