A and B are working seperately can do a piece of work in 9 and 12 days respectively.if they work for a day alternately, A beginning in how many days the work will be completed?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.5: Other Types Of Equations
Problem 56E
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A and B are working seperately can do a piece of work in 9 and 12 days respectively.if they work for a day alternately, A beginning in how many days the work will be completed?

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