SOLUTION: The local sandwich shop has 3 cash registers. In howmany possible ways can 4 customers lineup at the registers?
Algebra.Com
Question 39860: The local sandwich shop has 3 cash registers. In howmany possible ways can 4 customers lineup at the registers?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Well one way to get the answer is to merely lay out all the possibilties...
1st 2nd 3rd registers
4,0,0
3,1,0
3,0,1
2,2,0
2,1,1
2,0,2
1,3,0
1,2,1
1,1,2
1,0,3
0,4,0
0,3,1
0,2,2
0,1,3
0,0,4
I think that covers them all...so how many is that?
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