28-09-2016
Mathematics

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which equations show you how to find 16-9?

which equations show you how to find 169 class=

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davidsilva2019 davidsilva2019

26-09-2017

The correct answer is B.
16-9=7
So, 7+9=16.

If we add to 9 only 1 (out of those 7) we have then 10, remaining 6.
9+1=10

Now, if to 10 we add the remaining 6 we will have the final 16.
10+6=16

16-9=7 <=> 9+7=16 <=> (9+1)+6=16

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