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Sonia has 120 blocks. She decides to stack up all the blocks so that each row has one less block than the row below. She wants to end up with just 1 block on top. How many blocks should she put in the
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4 votes
Sonia has 120 blocks. She decides to stack up all the blocks so that each row

has one less block than the row below. She wants to end up with just 1 block on
top. How many blocks should she put in the bottom row?

User Ward Werbrouck
by
6.4k points

1 Answer

6 votes

Answer:

15

Explanation:

User WarrenB
by
7.4k points
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