SOLUTION: It costs a company $126 to produce 18 units of a product and $54 to produce 12 units. Write a linear equation to represent the cost of producing each item.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: It costs a company $126 to produce 18 units of a product and $54 to produce 12 units. Write a linear equation to represent the cost of producing each item.       Log On


   

Question 1110716: It costs a company $126 to produce 18 units of a product and $54 to produce 12 units. Write a linear equation to represent the cost of producing each item.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
(18, 126) and (12, 54)
The slope is 72/6=12
point slope y-y1=m(x-x1), m slope (x1, y1) a point
y-126=12(x-18)
y=12x-216+126
y=12x-90; x is the item, y the cost.