Respuesta :

Answer:

3 with remainder 15

       0 3  

 2 1 ⟌ 7 8  

     - 0    

       7 8  

     - 6 3  

       1 5  

Answer:

3 with a remainder of 15

Step-by-step explanation:

78 divided by 21

      _3_

21  |  78

     -  63

        15