Question

HELP PLZZZ!!!!!! which equation represent the model?

1. s+12+30

2.s+4+= 30

3. 3s +4= 30

4. 3(s+4) =30

the model is

3 boxes of s+4

30

Answer 1

The answer would be 4

Answer 2

The answer is 3(s+4)=30 .

And for the second part the answer is 6.