SOLUTION: Alan, Fred, and Mark are going to buy a computer that cost $540. If Alan pays $40 more than Fred and Fred pays twice as much as Mark, then how much does Mark pay?

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Question 819356: Alan, Fred, and Mark are going to buy a computer that cost $540. If Alan pays $40 more than Fred and Fred pays twice as much as Mark, then how much does Mark pay?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Alan, Fred, and Mark are going to buy a computer that cost $540. 

If Alan pays $40 more than Fred and 

Fred pays twice as much as Mark, then how muchgreen%28x%29 does Mark pay?

Mark  x

Fred  2x

Alan  2x + $40

  x + 2x + (2x+$40) = $540

              5x = $500

               x = $100, the amount Mark pays