Lillian built a staircase out of blocks. She used 3 blocks to make the first step, 6 blocks to make the second step and 9 blocks

Question

3 years ago

12

to make the third step. If she continues using the same pattern, how many total blocks will she have used after making the fourth step?

2 answers:

sashaice [31] · Answer 1 · 2022-05-31T06:28:16+03:00

7 0

Answer:

30

Step-by-step explanation:

if you take 3+6+9+12 you get 30

aev [14] · Answer 2 · 2022-05-31T07:33:23+03:00

aev [14]3 years ago

6 0

Answer:

30

Step-by-step explanation: