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GalaxyWolf1895
08.04.2020 •
Mathematics
A laptop computer is purchased for $2450. After each year, the resale value decreases by 30%. What will the resale value be after 3 years? Use the calculator provided and found your answer to the nearest dollar.
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Ответ:
$840
Step-by-step explanation:
This is an example of a compound percentage change.
To work this out you should multiply $2450 by 0.70 to the power of 3.
You would multiply by 0.70 as you are decreasing the amount by 30%. And so by multiplying the amount by 0.70 you are decreasing it by 30% and by doing it to the power of 3 you are decreasing it 3 times.
Ответ: