Answer:
well i was oin to search up how many cups of four are in a pie but it didnt show, it just showed how to make a pie or something but i think what uou would do is divide 12 by 1/4 which would be 3 cups of flour
Explanation:
1) divide 12 to 1/4
2) =3
for 7 pies you need 21 cups of flour and for one you need 3
if i am wrong im sorry