To solve the equation \( 173f - 1 = 1 \), we first isolate \( f \):
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Add 1 to both sides: \[ 173f = 2 \]
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Divide both sides by 173: \[ f = \frac{2}{173} \]
Calculating \( \frac{2}{173} \) does not yield a whole number. If we examine the options provided (6, 4, 3, 5), none of these correspond to \( f = \frac{2}{173} \).
None of the responses are correct based on the given equation. Please verify the options or the equation.