Concept explainers
Sarah ran 8 miles and then biked 24 miles. Her biking speed is 4 mph faster than her running speed. If r represents Sarah’s speed when she ran, then her running time is modeled by the expression
Want to see the full answer?
Check out a sample textbook solutionChapter 8 Solutions
Elementary Algebra
Additional Math Textbook Solutions
Algebra and Trigonometry
A Graphical Approach to College Algebra (6th Edition)
Linear Algebra and Its Applications (5th Edition)
Elementary and Intermediate Algebra
College Algebra (7th Edition)
- If Pete can paint a wall in p hours, then in one hour he can paint 1p of the wall. It would take Penelope 3 hours longer than Pete to paint the wall, so in one hour she can paint 1p+3 of the wall. Add the rational expressions 1p+1p+3 to get an expression for the part of the wall Pete and Penelope would paint in one hour if they worked together.arrow_forwardFind the quotient: 25x38)(5x2) .arrow_forwardSubtract: (a24a9)From (6a2+4a1).arrow_forward
- Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice UniversityAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal LittellAlgebra for College StudentsAlgebraISBN:9781285195780Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning
- Intermediate AlgebraAlgebraISBN:9781285195728Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage LearningAlgebra and Trigonometry (MindTap Course List)AlgebraISBN:9781305071742Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage LearningCollege AlgebraAlgebraISBN:9781305115545Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage Learning