Verified Answer :

dalendrk

v-speed
t-time
s-distance

\(v=\dfrac{s}{t}\to t=\dfrac{s}{v}\)

s = 272 mi; v = 68 mph; t = ?

subtitute

\(t=\dfrac{272}{68}\ h=4h\)

Answer: Ted drove 4h.

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