Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ 1 }{ 2 } \times 54 \times 9$$

Answer

243

Solution


Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{1\times 54\times 9}{2}\]
Simplify  \(1\times 54\)  to  \(54\).
\[\frac{54\times 9}{2}\]
Simplify  \(54\times 9\)  to  \(486\).
\[\frac{486}{2}\]
Simplify.
\[243\]
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