\"\"\"\"

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The given formula is \"\".

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Where d=distance, r=rate(speed), t=time.

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Apply to division property of equality: Divide each side by r.

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\"\"

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\"\"                                              (Cancel common terms)

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\"\"

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\"\"                                         (Substitute \"\")

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\"\"                                              (Divide: \"\")\"\"

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Time \"\".