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May 15th, 2019, 08:15 PM  #1 
Newbie Joined: Mar 2019 From: california Posts: 5 Thanks: 0  need help with homework
Hi All, I need to find the missing number in the attached image. The numbers combine in the same way to make correct arithmetic statements. Any help will be greatly appreciated. Last edited by skipjack; May 16th, 2019 at 06:49 AM. 
May 15th, 2019, 09:15 PM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,623 Thanks: 2076 
14

May 16th, 2019, 01:08 AM  #3 
Newbie Joined: Mar 2019 From: california Posts: 5 Thanks: 0 
Can you please explain to me how you reached the answer 14?
Last edited by skipjack; May 16th, 2019 at 06:44 AM. 
May 16th, 2019, 06:45 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,623 Thanks: 2076 
The numbers in each diagonal have the same sum. That sum is 10 in the first example, 9 in the second, 13 in the third, and (assuming the same rule applies) 17 in the final illustration, which implies the missing number is 14. 
May 16th, 2019, 08:26 PM  #5 
Newbie Joined: Mar 2019 From: california Posts: 5 Thanks: 0 
Thank you!


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