Question 1 • Applications and Modeling
The table gives A as 440.0 Hz and middle C as 261.6 Hz. Dividing gives 440.0 ÷ 261.6 ≈ 1.68, which is closest to the simple ratio 5 ÷ 3 ≈ 1.67. So the ratio of A to middle C is 5 to 3.
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