The value of \(\frac{{7 + 8 \times 8 \div 8\;of\;8 + 8 \div 8 \times 4\;of\;4}}{{4 \div 4\;of\;4 + 4 \times 4 \div 4 - 4 \div 4\;of\;2}}\) is:
6.4
Apply BODMAS, treating ‘of’ before ×/÷.
Numerator: \(8\text{ of }8=64\), \(4\text{ of }4=16\), giving \(7+8\times 8\div 64+8\div 8\times 16=7+1+16=24\).
Denominator: \(4\text{ of }4=16\), \(4\text{ of }2=8\), giving \(4\div 16+4\times 4\div 4-4\div 8=0.25+4-0.5=3.75\).
Therefore the value is \(\dfrac{24}{3.75}=\) 6.4.
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