Question

Mr. Mensah starts a job with an annual salary of $240,every year. After working for eight years, Mr Mensah is promoted to a new post with an annual salary of $9500 which increases by $360 every year,calculate (a) Mr Mensah's salary in the fifteenth year of service. (B) Mr Mensah's total earnings at the end of the fifteenth year of service.

Answer 1

salary:
1st 8 years: 240
years >= 9: Tn = 9500+360(n-8)

Total after
8 years: 8*240 = 1920
n years: (n > 8)
Sn = (n-8)/2 (2*9500 + (n-9)*360)

So, plug in your numbers for n

Answer 2

Mr. Mensah starts a job with an annual salary of $240,every year. After working for eight years, Mr Mensah is promoted to a new post with an annual salary of $9500 which increases by $360 every year,calculate (a) Mr Mensah's salary in the fifteenth year of service. (B) Mr Mensah's total earnings at the end of the fifteenth year of service.