What part of oobleck's solution did you not like for this problem?
https://www.jiskha.com/questions/1805169/A-new-car-is-sold-for-its-sticker-value-of-19-400-Three-years-later-the-customer
The strange part is that you even thanked him for it.
As to your first question:
1000000(1 - .04)^% = .....
An investment made in the stock market decreased at a rate of 4% per year for 5 years. What is the current value of the $1,000,000 investment? Include your calculations in your final answer.
A new car is sold for its sticker value of $19,400. Three years later, the customer returns to the car dealership to trade the car in. She is told that her car now has a value of $12,105. What is the rate of decline in the value of the car? In your final answer, include all of your calculations.
2 answers
.96^5 * 10^6
I do not know if the car decreases a constant amount or a constantt percentage per year.
If a constant percentage
19400 x^3 = 12105
x^3 = .624
3 log x = -0.2048
log x = -0.06828
x = .8545
1 - x = .145
14.5 % per year
I do not know if the car decreases a constant amount or a constantt percentage per year.
If a constant percentage
19400 x^3 = 12105
x^3 = .624
3 log x = -0.2048
log x = -0.06828
x = .8545
1 - x = .145
14.5 % per year
2 answers