Texts: A-CED .1 The time it takes you to get to campus varies inversely as your driving speed. Averaging 20 miles per hour in bad traffic, it takes you 1.5 hours to get to campus. Which of the following equations correctly represents this scenario?
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The given information states that the time it takes to get to campus varies inversely as the driving speed. It also states that when driving at an average speed of 20 miles per hour in bad traffic, it takes 1.5 hours to get to campus. Show more…
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The time $t$ that it takes to get to school varies inversely with your average speed $s .$ $$ \begin{array}{l}{\text { (a) Suppose that it takes you } 40 \text { minutes to get to school }} \\ {\text { when your average speed is } 30 \text { miles per hour. }} \\ {\text { Express the driving time to school in terms of average }} \\ {\text { speed. }} \\ {\text { (b) Suppose that your average speed to school is } 40 \text { miles }} \\ {\text { per hour. How long will it take you to get to school? }}\end{array} $$
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Variation
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