Answer:
3x=21
X=7
Step-by-step explanation:
Answer:

Step-by-step explanation:
We must develop three equations in three unknowns.
I will use these three:



Okay. To find the distance apart from each other, subtract 15.3 and 7.5. When you do that, you should get 7.8. -7.5 and -15.3 are 7.8 units away on a number line.
Answer:

Step-by-step explanation:
Given


Required
Determine the profit function.
Profit function is calculated as thus:

So, we have:


