For example 1ft = 12in so 12 is the number that you are going to multiply so just multiply 25×12 and that is your answer
The degree of the polynomial is 7
3 gallons per second
Or
1/3 second per gallon
Just do 150 gal over 50 seconds
Or reverse it to 50 sec over 150 gallons
So you get 3 gallons occur each 1 second or the it takes 1/3 of a second for each 1 gallon to flow