Trent can deliver his newspapers in 20 minutes. it takes lois 60 minutes to do the same route. how would it take them to deliver the newspapers together?

Answer:It takes 15 minutes for them to deliver the newspapers togetherStep-by-step explanation:Let x be the job of delivering news paper.Rate of Trent [tex]=\frac{x}{20}[/tex]Rate of Lois [tex]=\frac{x}{60}[/tex]If they work together time required           [tex]t=\frac{x}{\frac{x}{20}+\frac{x}{60}}=\frac{20\times 60}{20+60}=\frac{1200}{80}=\frac{120}{8}=15\texttt{ minutes}[/tex]It takes 15 minutes for them to deliver the newspapers together