I'm pretty sure it would be 50+15 because 5x3 is 15 and 5x10 is 50... correct me if I'm wrong
Answer:

Step-by-step explanation:
As per the statement:
Quinton bought x number of shares for p dollars and paid a 1% commission
⇒He brought = 
It is also given that he sold the stock for y dollars and paid a flat fee of $7.
⇒He sold = 
then;
Net proceed is given as:

Therefore, quintons net proceeds algebraically is 
If i did it right, I think it would be -837,000 dollars. :)
A number, a variable, or group of number and variables that are added, subtracted, multiplied, or divided
Answer:
B - Top Right
Step-by-step explanation:
3x + 6y = -57
-3x - 6y = 57
I hope this helps