UniquelyMade UniquelyMade

28-08-2016
Mathematics

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How long did it take Ted to drive 272 miles if his average speed was 68 mph

Respuesta :

dalendrk dalendrk

28-08-2016

v-speed
t-time
s-distance

[tex]v=\dfrac{s}{t}\to t=\dfrac{s}{v}[/tex]

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

subtitute

[tex]t=\dfrac{272}{68}\ h=4h[/tex]

Answer: Ted drove 4h.

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