QuestionA lake empties in 16 weeks and fills in 25 weeks. How long to empty it with both processes? Give your answer as a fraction.

Studdy Solution
Calculate the time to empty the lake.
$$Time\, to\, empty\, the\, lake = \frac{}{\frac{9}{400}} = \frac{400}{9} \,weeks$$It takes $\frac{400}{9}$ weeks to empty the lake.