When a Piano Tuner Strikes Both the a Above Middle

question 70

Multiple Choice

When a piano tuner strikes both the A above middle C on the piano and a 440 Hz tuning fork,he hears 4 beats each second.The frequency of the piano's A is

• A)440 Hz
• B)444 Hz
• C)880 Hz
• D)436 Hz
• E)either 436 Hz or 444 Hz

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Definitions:

Lowest Terms

The simplest form of a fraction, where the numerator and denominator are reduced to their smallest possible integers.

Percentage

A mathematical concept expressing a quantity as a fraction of 100.

Fraction

A mathematical concept where a number is represented as a part of a whole, expressed as a numerator divided by a denominator.