Joëlle is determined to get some exercise and walks to the store at a brisk rate of 4.5 mph. She meets her friend Yun Ling at the store, and together they walk back at a slower rate of 3 mph. Joëlle’s total walking time was 1 hr. How long did it take her to walk to the store?What is the distance to the store?

Joëlle is determined to get some exercise and walks to the store at a brisk rate of 4.5 mph. She meets her friend Yun Ling at the store, and together they walk back at a slower rate of 3 mph. Joëlle’s total walking time was 1 hr. How long did it take her to walk to the store?What is the distance to the store?

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter7: Rational Expressions And Functions

Section7.5: Solve Applications With Rational Equations

Problem 309E: Josephine can correct her students test papers in 5 hours, but if her teacher’s assistant helps, it...

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