SOLUTION: A copier was purchased by a company for $7,500. After 5 years it is estimated that the value of the copier will be $4,500. If the value in dollars V and the time the copier has b

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: A copier was purchased by a company for $7,500. After 5 years it is estimated that the value of the copier will be $4,500. If the value in dollars V and the time the copier has b      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 881193: A copier was purchased by a company for $7,500. After 5 years it is estimated that the value of the copier will be $4,500. If the value in dollars V and the time the copier has been in use t are related by a linear equation, find the equation that relates V and t.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
At t=0, V=7500.
At t=5, V=4500.
Find the slope, %28DELTA%2AV%29%2F%28DELTA%2At%29=%284500-7500%29%2F%285-0%29=-3000%2F5=-600
Then use the point slope form of a line,
V-7500=-600%28t-0%29
V=7500-600t