SOLUTION: The price of a 2 hour plumbing repair job is $140 and the price of a 5 hour job is $290. Write an equation for the cost C of a t hour repair job and use the equation to find the co

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The price of a 2 hour plumbing repair job is $140 and the price of a 5 hour job is $290. Write an equation for the cost C of a t hour repair job and use the equation to find the co      Log On


   

Question 1041161: The price of a 2 hour plumbing repair job is $140 and the price of a 5 hour job is $290. Write an equation for the cost C of a t hour repair job and use the equation to find the cost of a repair job lasting 6 hours
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x for hours of time
y for cost

Points (x,y) to fit on a line are (2,140) and (5,290).
What is the equation of a line which contains these two points?
This video shows how you can find this equation.