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xxTIMURxx [149]
3 years ago
12

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

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?
Mathematics
2 answers:
sashaice [31]3 years ago
7 0

Answer:

30

Step-by-step explanation:

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

aev [14]3 years ago
6 0

Answer:

30

Step-by-step explanation:

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kobusy [5.1K]

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