I have 5 cards, the first says 2, the fifth says 18, what are the second, third and forth numbers?

second card = 4 third card = 10 fourth card = 14

Step-by-step explanation:

1. To find the third card:

18+2=20

20:2=10.

2. To find the second card:

10-2=8

8:2=4

3. To find the fourth card:

10+4=14