Answer:
3/2
Step-by-step explanation:
The clearest points we can use from this graph are (60, 0) and (80, 30). Substitute those values into the slope formula to find the slope.
m = y₁ - y₂/x₁ - x₂
m = 0 - 30/60 - 80
m = -30/-20
m = 3/2
∴ The slope is 3/2.
