A motorist travels for 30km at xkm/h and 90km at ykm/h and takes 2 1/2 hours for the journey. If the speeds are interchanged the journey takes 2 1/6 hours. Find x and y
A motorist travels for 30km at xkm/h and 90km at ykm/h and takes 2 1/2 hours for the journey. If the speeds are interchanged the journey takes 2 1/6 hours. Find x and y
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 1E: If you travel 100 miles in two hours, then your average speed for the trip is Average...
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A motorist travels for 30km at xkm/h and 90km at ykm/h and takes 2 1/2 hours for the journey. If the speeds are interchanged the journey takes 2 1/6 hours. Find x and y
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