SOLUTION: you have 20 coins in your pocket that are either quarters or nickles they total $3.40 how much of each do you have?

SOLUTION: you have 20 coins in your pocket that are either quarters or nickles they total $3.40 how much of each do you have?

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Question 800831: you have 20 coins in your pocket that are either quarters or nickles they total $3.40 how much of each do you have?
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
Let q = quarters
Let n = nickels
q + n = 20
0.25q + 0.05n = 3.40
This is a system of linear equations in two variables.
Solve by substitution method.
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