Respuesta :

Answer:

12c ft.

Step-by-step explanation:

Since multipication is just repeated adding...

3·4c=4c+4c+4c=c+c+c+c+c+c+c+c+c+c+c+c=12c

Or you can do it like this: 3·4·c

3·4=12, 12·c=12c