Respuesta :

Answer:

7,9,11,13 = 40

Step-by-step explanation:

second number is 9

Answer:

9

Step-by-step explanation:

Let's call the numbers x, x+2, x+4, x+6

the sum is 40 which is 3x + 12 = 40

3x = 40 - 12

3x = 28

x = 7

The second number is x + 2 ➡ 7 + 2 = 9