There are 24 permutations.
The number of permutations of 4 objects taken 4 at a time is given by
4!/(4-4)! = 4!/0! = 4!/1 = 4! = 24
When 4 sandwiches are cut into thirds, it makes 12 pieces. 8 pieces were eaten. 12-8=4. 4/3 or 1 1/3 of a sandwich is left.
Answer:
x=15
Step-by-step explanation:
3/5=9/x
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