Question 67

Simplify the following expression:
$$15 \div 3 \text{of} 2 \times 4 + 9 \div 18 \text{of} 2 \times 3 - 4 \div 8 \times 2$$

Solution

$$15 \div 3 \text{of} 2 \times 4 + 9 \div 18 \text{of} 2 \times 3 - 4 \div 8 \times 2$$

= $$15\div6\times4+9\div36\times3-4\div8\times2$$

= $$\frac{15}{6}\times4+\frac{9}{36}\times3-\frac{4}{8}\times2$$

= $$10+\frac{3}{4}-1$$

= $$9\frac{3}{4}$$

Hence, the correct answer is Option D

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Simplify the following expression:$$15 \div 3 \text{of} 2 \times 4 + 9 \div 18 \text{of} 2 \times 3 - 4 \div 8 \times 2$$