Mathematics, 10.09.2019 00:10 arieltaylor3924

If r is the remainder when the positive integer n is divided by 7, what is the value of r?
(1) when n is divided by 21, the remainder is an odd number.
(2) when n is divided by 28, the remainder is 3.

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If r is the remainder when the positive integer n is divided by 7, what is the value of r?
(...