The population of camden, New Jersey has been decreasing by 0.12% a year on average. If this trend continues, and the population was 79,318 in 2006, estimate Camden's population in 2015.

By the trend that is being given above, the population of New Jersey will only be 99.88% of the population from the previous year. It may be calculated through the following equation,

P (n) = P (0) x (1 - r) ^n

Substituting the values from the given above,

P (n) = 79,318 x (0.9988) ^ (2015 - 2006)

= 78465.47

Thus, the population will approximately be 78,466.