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OpenStudy (anonymous):
Luigi estimates that he can travel at an average of 70km h^-1 between his house and the nearest town, 87 km away. On one journey it took 1 hr and 20 mins. Calculate his average speed for this journey.
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OpenStudy (anonymous):
average speed = distance / time = 87 / 4/3 = 65 1/4 km h^-1
OpenStudy (anonymous):
OMG ! thank you, wait okay, so how would I calculate the error in his estimate? I know that to calculate error its VA-VE/VE but uh what #'s do I use ?
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