Solving word problem involving logarithmic functions, equations and inequalities
Kevin invested 5,500 pesos at an interest rate of 8% compounded semi-annually, how long will it take for the investment to reach 16,500 pesos?
The population of a small town growns exponentially at a rate of 5% that was 12,000 in 1993 and 21,000 in 1998. In what year will the population reach 36,750?