Answers :
1.) Linear
2.) non-linear
3.) non-linear
A linear function is a line that creates a straight line. A non-linear function is a line that creates anything besides a straight line.
10/5 = 1/x
cross multiply
10x = 5
x = 5/10
x = 1/2...u need 1/2 gallon per fish
12.5% because u just divide 50 by 4
