Answer:
The answer is "[tex]0.22\ \frac{\ fl \ oz}{\ hours}\\\\[/tex]"
Step-by-step explanation:
rate[tex]=\frac{91 \ fl oz}{2.5 \ weeks}\\\\[/tex]
Requird
Calculating the rate as per hour:
[tex]rate=\frac{91 \ fl oz}{2.5 \ weeks}\\\\[/tex]
there are 168 hoours in week so the ate becomes
[tex]rate=\frac{91 \ fl oz}{2.5 \times 168 \ hours}\\\\[/tex]
[tex]=\frac{91 \ fl oz}{420 \ hours}\\\\= 0.2167 \ \frac{\ fl \ oz}{\ hours}\\\\[/tex]
[tex]=0.22 \ \ \frac{\ fl \ oz}{\ hours}\\\\[/tex]