Since 
and 
, we have
So, the equation becomes
The solutions to this equation are 4 and -5/2, so I'm afraid there's a typo in your question.
For C at 7pm they sold most and at 6 am they sold less
The answer is 0, as there is no slope going up or down.
Answer: 25 + 3n
Step-by-step explanation:
Hi, the answer is lacking the last part:
<em>Write an expression for the amount of money he makes this week.
</em>
So, to answer this we have to write an expression:
The fixed amount that he earns per week (25) plus the product of the amount he earns per subscription (3) and the number of subscriptions sold (n) , must be equal to his weekly earnings.
Mathematically speaking:
25 + 3n
Feel free to ask for more if needed or if you did not understand something.
