drdan14001 drdan14001

07-10-2016
Mathematics

contestada

I'm having trouble explaining and working how the sum of 12.6, 3.1, and 5.4 is greater than 20. Help please?

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hannahmaedke hannahmaedke

07-10-2016

when you add the decimals together, you get 1.1 and then you can add the whole numbers together 12+3+5= 20 plus the 1.1 from before 20+1.1= 21.1

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