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how much is 10-5-5 6:2 20x15 11+7=

 Nov 20, 2019
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I'm not sure what this 6:2 means. Maybe a 3:1 ratio? 

Then it would be 10-5-5 3 20x15 11+7...

That still doesn't make sense.

Could you write this in a better way?

 

tHanks!

 Nov 20, 2019

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