Respuesta :

Answer:

19 match sticks

Step-by-step explanation:

( + 3 )

1 = 1

2 = 4

3 = 7

4 = 10

5 = 13

6 = 16

7 = 19

( + 3 )

hope this helps !

Answer: Its 19

Step-by-step explanation: I hope this helps :)