SOLUTION: manufacturing company finds that they can sell 150 items at $3.00 per item and 50 items at $3.50 per item. If the relationship between the number of items sold x and the price per

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: manufacturing company finds that they can sell 150 items at $3.00 per item and 50 items at $3.50 per item. If the relationship between the number of items sold x and the price per      Log On


   

Question 1048184: manufacturing company finds that they can sell 150 items at $3.00 per item and 50 items at $3.50 per item. If the relationship between the number of items sold x and the price per item p is a linear one:
Find a formula that gives x in terms of p: x
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(p,x)
(3, 150)
(3.5, 50) m = 100/-.5 = -200 m =%28y%5B1%5D+-+y%5B2%5D%29%2F%28x%5B1%5D+-+x%5B2%5D+%29
x - 150 = -200(p - 3)
x = -200p + 750