2. A motorist travels for 20km at one speed, and then increased her speed by 20 kph for next 30 km. How fast was she traveling originally if the total trip took 1 hour?
2. A motorist travels for 20km at one speed, and then increased her speed by 20 kph for next 30 km. How fast was she traveling originally if the total trip took 1 hour?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.4: Solving Quadratic Equations
Problem 95E
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