The Gas Mileage M , in Miles Per Gallon, Obtained

question 61

Multiple Choice

The gas mileage m , in miles per gallon, obtained during a long trip is given by where s is the speed of the automobile in miles per hour and . At what constant speed can the automobile drive to obtain a gas mileage of exactly 25 miles per gallon?

• A)25 mph and 40 mph
• B)45 mph and 49 mph
• C)25 mph and 45 mph
• D)40 mph and 49 mph
• E)40 mph and 45 mph

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Definitions:

Uncovered Interest Rate Parity

A theory suggesting that the difference between the interest rates of two countries will equal the expected change in exchange rates between the countries' currencies, without the protection of forward contracts.

Spot Rate

The current price or rate for immediate settlement of a commodity, security, or currency exchange.

Initial Cost

The upfront expenditure associated with the purchase or investment in an asset or project.

Exchange Rates

Exchange rates are the value of one currency for the purpose of conversion to another, influencing international trade and investments.