Question

What might a postitive number mean in thid content ,what about a negatuve number

Answer 1

1.

A positive number might mean that the number of bottles in the machine is bigger than the number of bottles sold.

A negative number might mean that the number of bottles sold is bigger than the number of bottles in the machine.

2.

A cero might mean that the number of bottles sold is equal to the number of bottles in the machine.