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The scale factor from the model of a human inner ear to the actual ear is 55:2. If one of the bones of the model is 8.25 centimeters long, how long is the actual bone in human ear?

Please help me answer with q solution thanks God Bless!

Respuesta :

bobeld
[tex] \frac{55}{2} = \frac{8.25}{n} [/tex]

55n = 16.5  (use cross multiplication across the = sign)

Divide both sides of the equation by 55
[tex] \frac{55n}{55} = \frac{16.2}{55} = .3  So .3cm would be the size of the actual bone.

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