Respuesta :

Answer: 35

Step-by-step explanation: Let me know if you need an explanation.

Answer:

37

Step-by-step explanation:

Split and fill the difference

33 black

30 red

there is only a difference of three so you'll need to add and take a total of 4. to make up for the needed difference for 7.

33+2=35 black

30-2=28 red