Answer:
3.1-3.9/7 can be the answer.
Step-by-step explanation:
this is because you asked between and not exactly in half. 3.5/7 would be halfway
b 60 -4x 50 +2x=2,800 is 50 +. 2x
2x+3=5x
3=3x
x=1
2(1)+3=
2+3=
5
your answer is 5
The second one