CEMC Cayley, 2022

Algebra Difficulty 1.2 Junior Find the answer Canada

The expression $(5\times 5)+(5\times 5)+(5\times 5)+(5\times 5)+(5\times 5)$ is equal to

Pick one

Solution

The given sum includes 5 terms each equal to $(5 \times 5)$ .

Thus, the given sum is equal to $5 \times (5 \times 5)$ which equals $5 \times 25$ or 125.

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