Question Number 39928 by equationeditor last updated on 13/Jul/18
$${what}\:{numbers}\:{is}\:{that}\:{of}\:{which}\:{the}\:{third}\:{Part}\:{exceeds}\:{the}\:{fifth}\:{part}\:{by}\:\mathrm{4} \\ $$
Commented by MrW3 last updated on 13/Jul/18
$${let}\:{x}\:{be}\:{the}\:{number} \\ $$$$\frac{{x}}{\mathrm{3}}−\frac{{x}}{\mathrm{5}}=\mathrm{4} \\ $$$$\frac{\mathrm{2}{x}}{\mathrm{15}}=\mathrm{4} \\ $$$$\Rightarrow{x}=\mathrm{30} \\ $$