SOLUTION: The video store has a basic charge for a 3-day rental and a different per-day late fee. Nate was one day late and paid $5.50 in all for his video. Gina was four days late and pai

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Question 407728: The video store has a basic charge for a 3-day rental and a different per-day late fee. Nate was one day late and paid $5.50 in all for his video. Gina was four days late and paid $10.00 in all for her video. What is the basic fee and the per-day late fee that the store charges?
Answer by graphmatics(170)   (Show Source): You can put this solution on YOUR website!
Let y = 3-day rental
and x = per-day late fee
then

(1)*x + y = 5.50
(4)*x + y = 10.00
Solved by pluggable solver: Linear System solver (using determinant)
Solve:


Any system of equations:


has solution

or



(x=1.5, y=4}



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