Answer:
The answer is going to be 11.
Step-by-step explanation:
So, First get your numbers from least to greatest.
Which is: 6,10,12,13,13,15,17
Then, You find the lowest numbers and the highest number on there.
Which is: Lowest: 6 Highest: 17
After that your going to subtract 17-6
Which is:17-6=11
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