Example

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

Question

$$80 \times \frac { 65 } { 100 }$$

Answer

(80**13)/20

Solution


Simplify  \(\frac{65}{100}\)  to  \(\frac{13}{20}\).
\[80\times \frac{13}{20}\]
Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{80\times 13}{20}\]
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