The following table indicates the dollar price of libras, the currency used in the hypothetical nation of Libra.Assume that a system of flexible exchange rates is in place. 
Refer to the above table.The exchange rate is:
Definitions:
Units
Basic quantities of measurement or standard amounts used in specific fields, like medicine for dosing.
Measured Syringe Volume
The quantity of liquid measured and drawn into a syringe for injection or other use, often measured in milliliters (mL).
mL
Milliliter, a metric unit of volume equal to one-thousandth of a liter.
Units
A standard quantity used in measurement or as a basis for counting, measuring, or calculating, often used in medical dosing.
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