Apparently, we use "Permutation" when order doesn't matter. In that way, only possible outcomes can be calculated.
P (n, r) = n! ( (n - r)!
Unlike, We use "Combination" when order does matter. Combination gives us all possible values.
C (n, r) = n! / (n - r)! r!
Hope this helps!
In my opinion I think that you have to multiply 13.55 by 8 ounces to find how much she needs to pay.
Answer:
That’s sad. Option c
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4
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Sorry you dont have a picture so i can not help