SOLUTION: Robinson Wholesale Company paid $1330 for 500 items. Later they bought 800 items for $1750. Assume that the cost is a linear function of the number of items. Write the equation. (L

Algebra ->  Finite-and-infinite-sets -> SOLUTION: Robinson Wholesale Company paid $1330 for 500 items. Later they bought 800 items for $1750. Assume that the cost is a linear function of the number of items. Write the equation. (L      Log On


   

Question 1131649: Robinson Wholesale Company paid $1330 for 500 items. Later they bought 800 items for $1750. Assume that the cost is a linear function of the number of items. Write the equation. (Let y represent the amount paid and x represent the number of items purchased.)
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
Equation for the line containing points (500, 1330) and (800, 1750).

y-1330=%28%281750-1330%29%2F%28800-500%29%29%28x-500%29
Simplify.