Answer:

Step-by-step explanation:
The rates are additive: you can calculate the<em> inlet </em>rate and the <em>outlet</em> rate and add them algebraically, i.e. the inlet rate will be positive and the outlet rate will be negative.
<u>1. Inlet rate:</u>

<u />
<u>2. Outlet rate:</u>

<u>3. Net rate:</u>

<u>4. Time to fill the vat</u>


5km = 5000 meters
450m+800m= 1250m
5000m-1250m= 3,750m
3 3/4 km
Answer:
19
Step-by-step explanation:
I put it in my calculator
The answer is 64!
hope this helps youu!!