The denarius was a unit of currency in ancient rome
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The denarius was a unit of currency in ancient Rome. Suppose it costs the Roman government 10 denarii per day to support 4 legionaries and 4 archers. It only costs 5 denarii per day to support 2 legionaries and 2 archers. Use a system of linear equations in two variables.
Can we solve for a unique cost for each soldier?
Choose 1 answer:
1) Yes; a legionary costs 11 denarius per day to support, and an archer costs 22 denarii per day to support.
2) Yes; a legionary costs 22 denarii per day to support, and an archer costs 4/3
denarii per day to support.
(3)
No; the system has many solutions.
(4)
No; the system has no solution.