Answer:
7.5
Step-by-step explanation:
Total no of cups
[tex] = 3 \frac{3}{4} + 1 \frac{1}{4} + 2 \frac{2}{4} \\ \\ = \frac{3 \times 4 + 3}{4} + \frac{1 \times 4 + 1}{4} + \frac{2 \times 4 + 2}{4} \\ \\ = \frac{12+ 3}{4} + \frac{4 + 1}{4} + \frac{8+ 2}{4} \\ \\ = \frac{15}{4} + \frac{5}{4} + \frac{10}{4} \\ \\ = \frac{30}{4} \\ \\ = \frac{15}{2} \\ \\ = 7 \frac{1}{2} \\ \\ = 7.5[/tex]
