回复 10# 南湘楚
还有这两题怎么做~
1)given that 3,m,n,192 are the first four consecutive terms of a geometric progression.find the three consecutive terms which added up to 16128~~
2)the price of a new car is RM80000.It is given that the price of the car depreciates at a constant rate of 5% yearly.Calculate the minimum number of years required for the price of the car to drop to less than RM45000.