What is the discount and sale price of a $300 item that has been discounted 10%?
2 answers:
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The correct option is: x = 1
Explanation:
Although there are two solutions to the equation are given: -8 and +1, the true solution will be the one that satisfies the given equation. If we put "-8" into the equation
, the equation will not satisfy as the log of the negative number does not exist. If we put "+1" in the above equation, we would get "3" as an answer, meaning the true solution exists.
Hence the correct option is "x=1"
Explanation:
Although there are two solutions to the equation are given: -8 and +1, the true solution will be the one that satisfies the given equation. If we put "-8" into the equation
Hence the correct option is "x=1"