Question

Mr.Henry buys a car for $18,000. The value of it decreases about 15% each year, after 4 years what will be the approximate value of the car.
A)2,700
B)9,400
C)10,800
D) 15,300

Answer 1

a?

Answer 2

to decrease a number by \(15\%\) multiply it by \(100\%-15\%=85\%=0.85\)

Answer 3

to do it four times, multiply by \(.85^4\)

Answer 4

b?

Answer 5

idk i didn't do it
compute \[18,000\times .85^4\]