Finding Average Speed
Finding Average Speed
Secondary 1
Keith travelled from town \(A\) to town \(B\) at a speed of \(30\) km/h for \(\frac{1}{6}\)h. He then travelled from town \(B\) to town \(C\), \(60\) km apart, at a speed of \(102\) km/h. What is the average speed, in kilometres per hour, for the entire journey?
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Answer:\(86\frac{8}{77}\text{ km/h}\) (approximately \(86.1\text{ km/h}\))
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