JudithFuego
Answered

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You buy a new computer for $2100. The computer decreases by 50% annually. When will the computer have a value of $600?

Sagot :

There is few ways to get the result. The easiest is calculating step by step (year by year) price of the computer.
50%=0.5 (in decimal)
2100*0.5=1050      - 1 year
1050*0.5=525        - 2 year
The result it 2 years.
To get more accurate result we can solve equation
[tex]2100*( \frac{1}{2})^x=600[/tex]
but its very hard to solve without powerful tool.
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