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Mathematics 11 Online
OpenStudy (anonymous):

Help please. Which number supports the given conjecture? if the sum of the digits of a number is divisible by nine then the number is also divisible by nine. A.19 B. 54 C. 87 D. 109

OpenStudy (anonymous):

which one has the digits that add up to nine?

OpenStudy (justuu):

A.19

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