Respuesta :

fencinggirl3
All you have to do is divide 21 dollars by three. This will give you the equivalent of 1/3. This is 7. To get two thirds you add two of the sevens together. You would get 14 dollars.
14 dollars because 21 divided by 3 is 7 so 2/3 of 21 is basicially 7 times 2 and its 14$

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