Given:
Number of hours required for Janet to fill a certain order = 2
Number of hours required for Tom to fill a certain order = 5
Required: Time required to fill the order if they work together
Explanation:
Let h be the required number of hours. Then
[tex]\begin{gathered} \frac{1}{h}=\frac{1}{2}+\frac{1}{5} \\ =\frac{7}{10} \\ h=\frac{10}{7}\approx1.429 \end{gathered}[/tex]1.429 hours will require them to fill the order.
Final Answer: 1.429 hours will require them to fill the order.
