Answer:
40
Step-by-step explanation:
so if she ate 1/5 a day. 1/5 *5 = 1 cup so in 5 days she eats 1 cup. in 10 days she eats two . 15 days =3 cups and so on. it will take her 40 days to eat 8 cups. Now we divide that 40 by 2 because she ate 2 1/5 cups a day.
