A Plane Flies Directly Between Two Cities, a and B

question 34

Multiple Choice

A plane flies directly between two cities, A and B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged. The trip from B to A takes less than the trip from A to B. What is the airspeed of the plane, assuming it is the same in both directions?

• A) 530 mi/h
• B) 400 mi/h
• C) 480 mi/h
• D) 610 mi/h

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Definitions:

Natural Logarithm

The logarithm to the base e, where e is an irrational constant approximately equal to 2.718281.

Logarithm

The exponent to which a base, typically 10 or e, must be raised to produce a given number.

Properties of Logarithms

The set of rules that apply to logarithmic functions, including product, quotient, and power rules.

Logarithm

The exponent or power to which a base must be raised to produce a given number, commonly used in the operations of multiplication and division in a compressed form.