A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm. If œÜ = index remains at the same value, which one of the following is the runoff due to 12 cm of rainfall in 9 hours in the catchment?

A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm.

1.	A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm. If œÜ = index remains at the same value, which one of the following is the runoff due to 12 cm of rainfall in 9 hours in the catchment?
A.	4.5 cm
B.	6.0 cm
C.	7.5 cm
D.	9.0 cm
Answer» D. 9.0 cm

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A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm. If œÜ = index remains at the same value, which one of the following is the runoff due to 12 cm of rainfall in 9 hours in the catchment?

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