Question

question #1 provide an approiate response. Write the next equation in the pattern
1+1=2
1+1+2=4
1+1+2+3=7
1+1+2+3+5=12

Answer 1

This is a fibonacci pattern. You add the 2 numbers before to get the number after. You may post your answer if you'd like it checked.

Answer 2

1+1+2+3+5+7=19

Answer 3

1+1+2+3+5+8=20

Answer 4

The 2nd one is correct.