How many cubes are needed to build this figure?
2 answers:
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Rewrite the inequality as
by adding 4 to both sides.
So, you want to pick only the values that are strictly less than 12, i.e. all of the values except 13.
Rewrite the inequality as
by adding 4 to both sides.
So, you want to pick only the values that are strictly less than 12, i.e. all of the values except 13.