kazzy77 kazzy77
  • 25-04-2019
  • English
contestada

Does anyone know this?

Does anyone know this class=

Respuesta :

kbrow50
kbrow50 kbrow50
  • 25-04-2019

Answer:

2

Explanation:

You take 10, the ninth grade number of books, minus 12, the tenth grade number of books.

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