Use Direct and Inverse Variation · Exercise 48
Road Trip The number of hours it takes Jack to drive from Boston to Bangor is inversely proportional to his average driving speed. When he drives at an average speed of 40 miles per hour, it takes him 6 hours for the trip.
ⓐ Write the equation that relates the number of hours, h, with the speed, s.
ⓑ How long would the trip take if his average speed was 75 miles per hour?
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OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Exercise 48
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