we are going over the guess and check method. and im having trouble setting up this problem."Rachel works two different jobs. She is paid $15 per hour as a caretaker for a senior citizen and $8 per hour as a dog walker. last week she worked a total of 21 hours and earned a total of $280. How many hours did she work at each job that week?"

# we are going over the guess and check method. and im having trouble setting up this problem."Rachel works two different jobs. She is paid $15 per hour as a caretaker for a senior citizen and $8 per hour as a dog walker. last week she worked a total of 21 hours and earned a total of $280. How many hours did she work at each job that week?"

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section: Chapter Questions

Problem 4T: Over the past year, John has purchased 30 books. In how many ways can he pick four of these books...

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we are going over the guess and check method. and im having trouble setting up this problem.

"Rachel works two different jobs. She is paid $15 per hour as a caretaker for a senior citizen and $8 per hour as a dog walker. last week she worked a total of 21 hours and earned a total of $280. How many hours did she work at each job that week?"

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