SOLUTION: what does "and" also "or" mean?

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Question 469887: what does "and" also "or" mean?
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
And means both, like if you have 4 and 5 are solutions, means both are needed for solution. if you have 4 or 5 means you need either of them in order to make the equation true.