The local zoo is filling two water tanks for the elephant exhibit. One water tank contains 34 gal of water and is filled at a constant rate of 4 gal/h. The second water tank contains 30 gal of water and is filled at a constant rate of 2 gal/h. Explain. Let x = the number of hours the tanks are filling and let y = the number of gallons in the tank. What are the constraints on the system?
A. both x>= 0, y>=0
B. x>=0 only
C. y>=0 only
D. There are no constraints on the system.
4 answers
Thank you! :D
steve can you take a look at my question pretty please?
There are no constraints on the system.
Which one is it? A or D?
1 answer