$(a)\; 2\large\frac{1}{2}$$\; \times\; 8 \large\frac{3}{4} \;$$\;\times\; 9\large\frac{1}{2}\;$$\times;X = 0\times \;\large\frac{1}{2}\;$$\;\times\;\large\frac{125}{1000}\;$$\;\times\; 4\large\frac{3}{4}\; $

$(b)\; 8.9+4.7 = 7.56+1.25+Y$

$ (c) Z = \large\frac{1}{5}\;$$\times\;\large\frac{1}{2}$$\;-\;\large\frac{1}{2}\;$$\times\;\large\frac{1}{10}$

(A) X = 1, Y = 4.79, Z = 0.05 (B) X = 0, Y = 8.81, Z = 1.05 (C) X = 0, Y = 4.79, Z = 0.05 (D) X = 1, Y = 8.81, Z = 1.25