Respuesta :

I believe that 21 is d 27 over 17
I believe that 22 is d because 16 divided by 3.20 is 5
sorry if I am wrong 

I hope this helps you
Here is the Answer To Number 22-> 16 divided by 3.20= 5 = 50 !

Now for 21 I tried my Best and Got D 21/17

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