Solve
-From $\mathrm{a} \frac{23}{20}-\mathrm{lb}$ Wheel of Cheese $\mathrm{a} \frac{2}{5}-\mathrm{lb}$ Piece Was Served $\frac{7}{5} \mathrm{lb}$

Multiple Choice

Solve.
-From $\mathrm{a} \frac{23}{20}-\mathrm{lb}$ wheel of cheese, $\mathrm{a} \frac{2}{5}-\mathrm{lb}$ piece was served. How much cheese remained on the wheel?

A) $\frac{7}{5} \mathrm{lb}$
B) $\frac{3}{4} \mathrm{lb}$
C) $\frac{4}{5} \mathrm{lb}$
D) $\frac{21}{20} \mathrm{lb}$