Answer:
20=-1
60=-3
100=-5
240=-12
Step-by-step explanation:
divide time and depth by 20
24/-30 would be the answer
x=64
5x = 320
Divide each side by 5
5x/5 = 320/5
Equation : y = -0.5x − 8
because i grabbed two points and plugged them in im not very good at explaining but im 99% sure thats right