Question

Liam had a container of oatmeal that contained 5 and one-half cups of oatmeal. Liam ate StartFraction 4 over 9 EndFraction cup of oatmeal every morning before school for a week. Which is the best estimate of the number of cups of oatmeal that Liam had left in the container at the end of the five-day week?
2 and one-half
3
3 and one-half
5

Answer 1

Total eaten = 5 × (4/9) = 20/9 ≈ 2.22 cups.
Remaining = 5.5 − 20/9 = 59/18 ≈ 3.28 cups.
The closest choice is 3 and one-half.