To solve the equation \(20p - 3 = 5\), we can follow these steps:
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Add 3 to both sides: \[ 20p - 3 + 3 = 5 + 3 \] \[ 20p = 8 \]
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Divide both sides by 20: \[ p = \frac{8}{20} \] \[ p = \frac{2}{5} \]
Since none of the options given (3, 1, 7, 5) match \(\frac{2}{5}\), it seems there may be an error in the provided options. The value of \(p\) is \(\frac{2}{5}\) or 0.4, which is not listed.