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The time that it takes you to drive a certain distance varies inversely as your driving rate. Averaging 40 miles per hour, it takes you 10 hours to drive the distance. How long would the trip take averaging 50 miles per hour? 1. Time, t, varies k inversely as rate, r. t = 2. It takes 10 hours at 40 miles per hour. k 10 40 k = 10(40) = 400 400 3. t= 4. How long at 50 miles per hour? Substitute 50 for r. 400 t = = 8 50 It takes 8 hours at 50 miles per hour.

The time that it takes you to drive a certain distance varies inversely as your driving rate. Averaging 40 miles per hour, it takes you 10 hours to drive the distance. How long would the trip take averaging 50 miles per hour? 1. Time, t, varies k inversely as rate, r. t = 2. It takes 10 hours at 40 miles per hour. k 10 40 k = 10(40) = 400 400 3. t= 4. How long at 50 miles per hour? Substitute 50 for r. 400 t = = 8 50 It takes 8 hours at 50 miles per hour.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The time that it takes you to drive a certain distance varies inversely as your driving rate. Averaging 40 miles per hour, it takes you 10 hours to drive the distance. How long would the trip take averaging 50 miles per hour? 1. Time, t, varies k inversely as rate, r. t = 2. It takes 10 hours at 40 miles per hour. k 10 40 k = 10(40) = 400 400 3. t= 4. How long at 50 miles per hour? Substitute 50 for r. 400 t = = 8 50 It takes 8 hours at 50 miles per hour.
Transcribed Image Text:The time that it takes you to drive a certain distance varies inversely as your driving rate. Averaging 40 miles per hour, it takes you 10 hours to drive the distance. How long would the trip take averaging 50 miles per hour? 1. Time, t, varies k inversely as rate, r. t = 2. It takes 10 hours at 40 miles per hour. k 10 40 k = 10(40) = 400 400 3. t= 4. How long at 50 miles per hour? Substitute 50 for r. 400 t = = 8 50 It takes 8 hours at 50 miles per hour.
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