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Abigail Henderson has $3400.00 budgeted for spending money on an upcoming trip to Country A and Country B.
Country A's currency is trading at $1.30 per currency A, and Country B's currency is trading at $1.60 per currency B.
She plans to spend more time in Country A, so she wants to have four times as much of currency A as currency B. Set
up and solve a system of equations to model this problem, and explain what the answer means in practical terms.