The answer is x=42.8+- (plus or minus) 12
So he should either have $30.80 or $44.80 left
The volume is 8/27 ft³.
2/3(2/3)(2/3) = (2*2*2)/(3*3*3) = 8/27.
Blocks would he need on the 12th step of the pattern is 34.
The correct option is A
<h3>
</h3><h3>What is series?</h3>
A series is the cumulative sum of a given sequence of terms.
Given:
We can write the series as follows:
1,4,7,10,13,.......
First term =1
common difference= 4-1=3
Using Arithmetic series
= a+11d
= 1 +11*3
= 1+33
= 34.
Hence, 34 blocks need on 12th step.
Learn more about arithmetic series here:
brainly.com/question/2171130
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