Write the sentence as a proportion then determine whether the proportion is true or false.
One and eight tenths is to two as four and five tenths is to five.

• A. $\frac{1\frac{8}{10}}{2}=\frac{4\frac{5}{10}}{5}$; False
• B. $\frac{2}{1\frac{8}{10}}=\frac{5}{4\frac{5}{10}}$; True
• C. $\frac{1\frac{8}{10}}{2}=\frac{4\frac{5}{10}}{5}$; True
• D. $\frac{2}{1\frac{8}{10}}=\frac{5}{4\frac{5}{10}}$; False

Answer: (C)