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June Contest Q19

 
 
wengAllen的头像
June Contest Q19
wengAllen 发表于 2018年06月6日 Wednesday 19:53
 

ziml answer question

In this question, it states that neither 7,15,23,31, or 39 is 4 more than a multiple of 7. However, I believe 39 is 35+4 as well as 32+7, making the answer 7, not 8.

Am I missing something, or is this an incorrect solution?

 
FangJeffrey的头像
Re: June Contest Q19
FangJeffrey 发表于 2018年06月10日 Sunday 21:42
 

I believe this should say that one of them is 4 more than a multiple of seven, but the part I disagree with is the final answer. This solution, when worded correctly, gives proof that he normally shares among 8 people. However, this is not what the question asks, and I believe the answer should be 7 because it asks how many FRIENDS he shares the candy with.

ReynosoDavid的头像
Re: June Contest Q19
ReynosoDavid 发表于 2018年06月11日 Monday 15:26
 

Thanks Jeffrey!

ReynosoDavid的头像
Re: June Contest Q19
ReynosoDavid 发表于 2018年06月11日 Monday 15:26
 

Hi Allen. The solution was not complete. It should display correctly now. As Jeffrey was pointing out the answer should indeed be $7$, as Jerry divides his candy among $8$ people in total (him and $7$ of his friends), and so the bag had $29$ candies.