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Back to 9.5 Solve Applications of Quadratic Equations

9.5 Exercise 23

Avg difficulty 2.5

The weekly news magazine has a big story naming the Person of the Year and the editor wants the magazine to be printed as soon as possible. She has asked the printer to run an extra printing press to get the printing done more quickly. Press #1 takes 6 hours more than Press #2 to do the job and when both presses are running they can print the job in 4 hours. How long does it take for each press to print the job alone?

OpenStax Intermediate Algebra 2e, 9.5 Solve Applications of Quadratic Equations, exercise 23

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.