Speed is calculated using the formula S= D T where S = speed, D = distance, and T = time. Rearrange the formula to solve for time (T).

$$$S = \frac{D}{T}$\\
Multiply both sides by T.\\
$S\times T=D$\\
Divide both sides by S\\
$T=\frac{D}{S}\\\\
Time = \frac{Distance}{Speed}$$$

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