What is the equation used to find the effective thickness of the exis

1.	What is the equation used to find the effective thickness of the existing pavement?
A.	\(h_e=∑_{i=1}^n C_i\)
B.	\(h_e=∑_{i=0}^n h_i C_i\)
C.	\(h_e=∑_{i=1}^n h_i\)
D.	\(h_e=∑_{i=1}^n h_i C_i\)
Answer» E.

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What is the equation used to find the effective thickness of the existing pavement?

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