Three printers A,B, and C, working together at their respective constant rates, can finish a job in

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Three printers A,B, and C, working together at their respective constant rates, can finish a job in 4.5 hours. Printers A and B, working together, can finish the same job in 6 hours. How many hours will it take printer C, working alone, to finish the job?
A) 12.5
B) 14
C) 16.5
D) 18

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Acing The New SAT Math

ISBN: 9780975475355

1st Edition

Authors: Thomas Hyun

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