A: [tex] 12\frac{3}{4} [/tex] cups of dry goods
B: [tex] \frac{2}3} * 12\frac{3}{4} [/tex] cups of dry goods
C: [tex] \frac{2}{3} * \frac{2}{3} *12 \frac{3}{4}[/tex] cups of dry goods
Total amount= A+B+C = 12 3/4 + (2/3)*12 3/4 + (2/3)(2/3)*12 3/4 = [tex]26 \frac{11}{12} [/tex] cups of dry goods
