Answer:
Explanation:
Table
Time 3 6 9 12
Rainfall 2 4 6 8
Time is on the x axis
Rainfall is on the y axis
Slope = (y2 - y1)/(x2 - x1)
Slope = (8 - 2) /(12 - 3)
Slope = 6/9 = 2/3
Unit rainfall = 2 cm rainfall / 3 hours = 0.667 cm rainfall / hour.
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