Problema Solution
a new car worth 28,000 is depreciating in value by 4,000. write a formula that models the cars value. y is dollars x is year and solve to determine after how many years the cars value will be 8,000 using the word problem
Answer provided by our tutors
A new car worth 28,000 is depreciating in value by 4,000 per year:
y = 28,000 - 4,000x
We need to find x such that y = 8,000 that is
28,000 - 4,000x = 8,000
........
........
x = 5 years
After 5 years the car's value will be $8,000.