Answer :
First, we add all the cups.
[tex]12+9+7=28[/tex]So, the mix is equivalent to 28 cups. If she uses 4 cups for each bag, we have
[tex]\frac{28}{4}=7[/tex]First, we add all the cups.
[tex]12+9+7=28[/tex]So, the mix is equivalent to 28 cups. If she uses 4 cups for each bag, we have
[tex]\frac{28}{4}=7[/tex]