SOLUTION: Mark wants to buy some used CDs from hasting. He can get 6 CDs for $50.10 and 9 CDs for $75.15. Write the equation that can be used to find f(x), the amount he would pay at this ra

Algebra ->  Test -> SOLUTION: Mark wants to buy some used CDs from hasting. He can get 6 CDs for $50.10 and 9 CDs for $75.15. Write the equation that can be used to find f(x), the amount he would pay at this ra      Log On


   

Question 946831: Mark wants to buy some used CDs from hasting. He can get 6 CDs for $50.10 and 9 CDs for $75.15. Write the equation that can be used to find f(x), the amount he would pay at this rate if he bough x CDs.
Answer by Zucchini(70) About Me  (Show Source):
You can put this solution on YOUR website!
$8.35(x)
$8.35 is per CD, so the amount of CD's bought multiplied by 8.35 will give the amount he would have to pay at this rate.