Answer:
(0, 3)
Step-by-step explanation:
(-4+4)/2 , (7-1)/2
0/2 , 6/2
0, 3
2/5 of iron
∵ 3/4 cup of oatmeal contains 1/10 of iron.
∴ 1 cup of oatmeal will contain =2/5 of iron