Answer:
im not sure, i will try to figure it out for you
Step-by-step explanation:
The equation is 30,000+200x=80,000. X is the number of sales.
The additive inverse of a number is just the opposite of the given number. For example; 2 and the additive inverse is -2.
If we apply this to the number we are given, we get 19.57
Best of Luck!