1.

If P is the number of vehicles per day at last census, r is the increase in traffic and n is the number of years passed after last census, number of vehicles A per day for design, is

A. P (1 + r)n
B. P (1 - r)n
C. P (1 + r)-n+5
D. P (1 + r)5n
Answer» B. P (1 - r)n


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