SOLUTION: A store sell cd's at one price and dvd's at another price. If I bought 3 cd's and 4 dvd's and paid $90, how much would each cd and dvd cost? What if I bought 2 cd's and 3 dvd's?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A store sell cd's at one price and dvd's at another price. If I bought 3 cd's and 4 dvd's and paid $90, how much would each cd and dvd cost? What if I bought 2 cd's and 3 dvd's?      Log On


   

Question 959988: A store sell cd's at one price and dvd's at another price. If I bought 3 cd's and 4 dvd's and paid $90, how much would each cd and dvd cost? What if I bought 2 cd's and 3 dvd's?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A store sell cd's at one price and dvd's at another price. If I bought 3 cd's and 4 dvd's and paid $90, how much would each cd and dvd cost? What if I bought 2 cd's and 3 dvd's?
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Equations:
3d + 4d = 90
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Comment:: You need another equation statment
to solve for c and d.
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Cheers,
Stan H.
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