I think it is 1.3 but I’m not sure on it
this is your expression
x / 1000 * -10
so x is the amount hiked so in this situation x = 3000
3000/1000 * -10
3 * -10
-30 degrees
the temperature wouldve dropped 30 degrees
:)
There is about 25 fish in the tank just multiply
Below is the graph for this equation.