Respuesta :

The answer would be 16, because each number increases by +1 more than the last.
1+1=2+2=4+3=7+4=11...

Answer:

d

Step-by-step explanation:

1+1=2

2+2=4

4+3=7

7+4=11

11+5=16

you just add the number by 1-20 and you'll hey the pattern