The selling price of an item is $390. It is marked down by 10%, but this sale price is still marked up from the cost of $270.
2 answers:
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From the attached graphic, Half-life = ln (.5) / k
Half-life =.693147 / <span>0.1142
= </span><span><span><span>6.0695884413 </span> days
The value of "k" should be negative and should have units associated with it.
</span> </span>
Half-life =.693147 / <span>0.1142
= </span><span><span><span>6.0695884413 </span> days
The value of "k" should be negative and should have units associated with it.
</span> </span>
