Question Number 32372 by jasno91 last updated on 24/Mar/18
Answered by $@ty@m last updated on 24/Mar/18
$$\mathrm{3}.\:{D}=\frac{\mathrm{147}}{\mathrm{4}}+\frac{\mathrm{202}}{\mathrm{5}}+\frac{\mathrm{77}}{\mathrm{2}}=\frac{\mathrm{2313}}{\mathrm{20}}=\mathrm{115}\frac{\mathrm{13}}{\mathrm{20}} \\ $$