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Mathematics 19 Online
OpenStudy (anonymous):

Sam must choose a number between 61 and 107 that is a multiple of 3 , 8 and 12 . Write all the numbers that he could choose. If there is more than one number, separate them with commas.

OpenStudy (anonymous):

@dss08a

OpenStudy (anonymous):

96 is one that I got. lemme keep checking for more

OpenStudy (psymon):

Write them all out? It may be annoying, but we're not going to be able to spit out an epic formula for this, lol. 3 goes into 60 just fine, so start adding on multiples of 3 from there. 8 goes into 56, so add 8 one at a time from that starting point. 12 goes into 60, so start adding multiples of 12 from that starting point, then check the ones that all share the common factor of 3, 8, 12. And there is more than just 96 xD

OpenStudy (anonymous):

there's rules to these. like if you add the digits and they're divisible by 3 then you're good for the 3 part. lol I know @Psymon i just spit one out real quick

OpenStudy (psymon):

Well yeah, there are divisibility rules, but I dont even bother to remember those, lol.

OpenStudy (anonymous):

76, and 92

OpenStudy (psymon):

12 doesnt go into 76.

OpenStudy (psymon):

You went dyslexic. You flipped the 2 and the 6. 72, 96, lol.

OpenStudy (anonymous):

72 is what she meant I think

OpenStudy (anonymous):

beat me to it @Psymon

OpenStudy (anonymous):

wyes i meant 72 lol

OpenStudy (anonymous):

First Find LCM of 3,8 and 12

OpenStudy (anonymous):

LCM of 3,8 and 12 is 24. Now, all you need is to find numbers between 61 and 107 that are divisible by 24.

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