If the price of a car will triple every 4 years, write an equation to model the price after x four year periods and how long did it take for the price to go from $180,000 to $4,860,000?
1 Answer
Apr 29, 2018
Explanation:
The car starts at a price of
After 4 years, (1 four-year period) it will cost
After 8 years (2 four-year periods) it will cost
After 12 years (3 four-year periods) it will cost
The pattern is
You need to solve the equation
So it took 12 years.