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5 votes
The machine must be emptied to be serviced. If there are 15 bottles in the machine, what number represents the change in the number of bottles in the machine at the time it is being serviced

A. 0
B. 15
C. -15
D. -16

User Chotchki
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1 Answer

4 votes
I think the answer is A. 0
User Varun Govind
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