<PRE><B>Question 735489</B>
Can you please help me on how to do this question, I dont understand it.
Matt bikes 50km to a friend’s home. The distance, d, in kilometres, varies directly with the time, t, in hours.
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k = d/t
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a) Find an equation relating distance and time if it takes 1.5 hours to travel 24 kilometres.
k = = 24/1.5 = 16 km/hr
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b) What does the constant of variation represent in this problem?
Ans: rate
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c)Use the equation to determine how long it will take Matt to reach his friend’s house.
k = d/t = 16 km/hr = 50 km/t ; t = 50/16 = 3.125 hrs.
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Cheers,
Stan H.
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