Correct Answer: Option C

Explanation

(3 x 0) + (1 x 2) + (5 x 2) + (5 x 3) + (5 x 4) +
(10 x 5) + (4 x 6) + (3 x 7) + (1 x 8) + (2 x 9) \(\div\) 40

= \(\frac{168}{40}\) = 4.2

There is an explanation video available below.

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