The amount of water in a river changes by negative 3 5/8 ft in 4 1/2 hours. What is the average change in the River water level each hour?

Question

asked Jan 13, 2023 143k views

1 Answer

Mpilquist · Answer 1 · 2023-01-17T17:12:59+0000

we have:

3 5/8 ft ----> 4 1/2 hours

x ft ----------> 1 hour

$\begin{gathered} 3(5)/(8)*1=x*4(1)/(2) \\ (29)/(8)=(9)/(2)x \\ (29)/(8)*(2)/(9)=(9)/(2)x*(2)/(9) \\ x=(29)/(36) \end{gathered}$

answer: 29/36 is the average change in the River water level each hour