Can someone please help me with this ? , A company has a monthly profit, or gain, of $6,400. The next month they have a loss of $4,700.

What expression would you use to find the difference in profit between the two months?
, possible choices are ; -4,700 - 6,700 , 4,700 - 6,700 , 6,400 -(-4,700) , or 6,400 - 4,700 .