+0  
 
0
51
2
avatar+65 

So I'm stuck on one problem and I feel like if I understand how to do it I will understand the rest of my HW. 

thanks guys!

 May 9, 2020
 #1
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+1

The sum of all possible values is 12 + 13 + 14 + 15 + 16 = 70.

 May 9, 2020
 #2
avatar+1543 
+2

I remember seeing this operation on the AMC10 a few months ago, but I've forgotten what it means

 

Could you please refresh my memory for me to help you?

 May 9, 2020

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