\(\cfrac{10}{\text{?}} = \cfrac{6}{3}\)

\(\cfrac{6}{8} = \cfrac{\text{?}}{20}\)

\(\cfrac{40}{8} = \cfrac{45}{\text{?}}\)

\(\cfrac{42}{14} = \cfrac{\text{?}}{5}\)

\(\cfrac{\text{?}}{2} = \cfrac{56}{8}\)

\(\cfrac{\text{?}}{4} = \cfrac{26}{13}\)

\(\cfrac{4}{32} = \cfrac{9}{\text{?}}\)

\(\cfrac{9}{3} = \cfrac{\text{?}}{4}\)

\(\cfrac{\text{?}}{14} = \cfrac{9}{7}\)

\(\cfrac{3}{\text{?}} = \cfrac{2}{1.25}\)

Communicate Explain how to find an unknown value in a ratio by using a unit rate.

Savannah is tiling her kitchen floor. She bought 8 cases of tile for $192. She realizes she bought too much tile and returns 2 unopened cases to the store. What was her final cost for tile?