Hey there!
To start, let x represent the amount of money made by Alina. Then, set up this equation:
0.12(250000)+1600=x
The 0.12 represents the amount of commission from the sales sold by Alina and the additional 1600 represents the additional amount of money she earns from working that month.
Because 250000 is the total amount Alina sold that month, you would have to multiply this amount by 0.12 or 12% since Alina collects 12% of the pharmaceutical sales.
Now, simplify the expression to solve for x:
0.12(250000)+1600=x
30000+1600=x
31600=x
Therefore, Alina has earned $31,600 that month.
Hope this helps and I hope you have a marvelous day! :)