Minxia counted 40 green cars and 20 silver cars in the parking lot. If the number of green cars stays the same, how many more si
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Answer:
So after 7 year price of the laptop will be less than $1000
Step-by-step explanation:
We have given price of the laptop is $4500
Its price is 80% of if its value in every next year
So depreciation rate = 100 - 80 =20%
For depreciation we know that
Here V is final value and P is present value
So
Taking log both side
n = 6.74
So after 6.74 year the price of the laptop will be less than $1000