Question

Simplify: 280 + (120) - (-320) + 50
(A) 510
(9) 530
(C) 630
(D) 570​

Answer 1

Answer:

$280 + 120 + 320 + 50 \\ \\ 770$

Answer 2

Answer:

I think this answer is 770

Step-by-step explanation:

280+(120)-(-320)+50

280+120-320+50

770