Salary

Since the beginning of the year, Mr. Johnson has earned a monthly salary of 833 USD. From which month was his salary increased by 81 USD, and when in the year did he earn 10887 USD (enter as a number from 1 to 12)?

Final Answer:

n =  2

Step-by-step explanation:

833 12 + (13n) 81 = 10887 (13n) 81 = 891 13 n = 11  n=1311=2



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