Which problem can be solved using the expression 400+100c=550+70c?
(Zoom if necessary)

Answer:PLEASE GIVE ME BRAINLIEST
One car salesperson makes a monthly salary of $400, plus $100 commission for each car sold.
The other car salesperson makes a monthly salary of $550, plus $70 commission for each car sold.
For which number of cars, c, do they make the same amount in one month?