Layla is using the model to solve a division problem. An area model has 4 shaded parts and 2 unshaded parts. The shaded part is labeled two-thirds. Which question would the model be most helpful in solving? How many One-sixths are in 4? How many One-sixths are in Two-thirds? How many Two-thirdss are in 4? How many Two-thirdss are in One-sixth?