Respuesta :
You would do
7(60) + 7(3)
The 60 and 3 came from 63
then to solve it you do
7(60) + 7(3)=
420 + 21=
441
7(60) + 7(3)
The 60 and 3 came from 63
then to solve it you do
7(60) + 7(3)=
420 + 21=
441