Answer:
(-2, 4)
Step-by-step explanation:
Hopes this helps!
Answer:
12? I'm not sure. That's the answer I think?
U set ST and SR equal
7x + 24 = 115
7x = 91
x = 13
The sale price after both markdowns will be $336
<em><u>Explanation</u></em>
The selling price of an item is $600. After 6 months of not selling, it is marked down by 30%
So, the marked down amount after 6 months 
and the selling price after first 6 months will be: 
After another 6 months of not selling , it is further marked down by 20%. So, the marked down amount now 
Thus, the final selling price after all markdowns 
Minutes is independent and the cost is dependent
time is mostly always independent and cost is depending on the amount of time