Correct Answer: Option C

Explanation

log₅20 = x

5x = 20(Take log₁₀ of both sides)

log_5x = log₂₀

xlog₅ = log₂₀

x= [log₂₀ ÷ log₅]

[1.30103 ÷ 0.69897]

x = 1.861

There is an explanation video available below.

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