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Mathematics 16 Online
OpenStudy (anonymous):

is 786 divisibly by 3

OpenStudy (anonymous):

yes. 262

OpenStudy (agent0smith):

Add up the digits of the number- if they add up to a multiple of 3, it's divisible by 3 786: 7+8+6 = 21 21 is divisible by 3 so 786 is divisible by 3

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