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Yet another C3 quetion
So this is the question
http://www.mei.org.uk/files/papers/c305ju_dskjtr.pdf
Question 4 on the rate of change.
Everything is fine until it comes to substtituting t=40 into the equation, the mark scheme has " e^-0.05t= 1/2 " on the second line
Could someone please explain where the 1/2 came from, i have no clue whatsoever. Thanks allot
http://www.mei.org.uk/files/papers/c305ju_dskjtr.pdf
Question 4 on the rate of change.
Everything is fine until it comes to substtituting t=40 into the equation, the mark scheme has " e^-0.05t= 1/2 " on the second line
Could someone please explain where the 1/2 came from, i have no clue whatsoever. Thanks allot
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