Answer :
Each square is a total of 20 square inches. There are 30 squares. 20 * 30 is 600,
600 square inches is the total area
600 square inches is the total area
600 in²
Further explanation
We will solve the problem of multiplication operations.
Given:
A concrete stepping stone measures 20 square inches
Question:
What is the area of 30 such stones?
The Process:
There are 30 stones with an area of 20 in² each.
[tex]\boxed{20 \ in^2} + \boxed{20 \ in^2} + \boxed{20 \ in^2} \ ... \ until \ 30 \ stones[/tex]
The area of all stones represents the multiplication between the area of one stone and the number of stones.
Let us calculate the area of 30 such stones.
[tex]\boxed{ \ 30 \times 20 \ }[/tex]
The number of zeros of the multiplication above is two, while the result 3 times 2 is 6, so the result is 600.
[tex]\boxed{ \ 3 \times 2 \times 100 = 600 \ }[/tex]
Hence, the area of 30 such stones is 600 in².
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Keywords: a concrete stepping stone, measures, 20 square inches, in², each, what is the area of 30, multiplication operation, times, the result
