Respuesta :

Answer:

the 4th number is 9 because 5 + 7 + 7 + 9 = 28. 28 divided by 4 = 7

Step-by-step explanation:

The 4th number is 9 as to the equation:
1.5+7+7+9=28
2.28/(divided by)4
3.Answer: 4th 9