Question Number 158104 by zainaltanjung last updated on 31/Oct/21
$$ \\ $$The comparison between Rahman and Aditya's books is 2: 3. If the number of their books is 20, then the number of Aditya's books is….
Answered by Rasheed.Sindhi last updated on 31/Oct/21
$${Rahman}:\:\mathrm{2}{x}\:{books} \\ $$$${Aditya}:\mathrm{3}{x}\:{books} \\ $$$$\mathrm{2}{x}+\mathrm{3}{x}=\mathrm{20}\Rightarrow\mathrm{5}{x}=\mathrm{20}\Rightarrow{x}=\mathrm{4} \\ $$$${Aditya}:\:\mathrm{3}{x}=\mathrm{3}×\mathrm{4}=\mathrm{12}\:{books} \\ $$