SOLUTION: is -3 a rational number?

Question 1165159: is -3 a rational number?

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Think! Is it expressible using the ratio of integers?
Answer by ikleyn(52812) (Show Source): You can put this solution on YOUR website!
.

Yes, it is.

More accurately, -3 is an integer number, and the set of all integer numbers is a SUBSET of the set of rational numbers.

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