Painting a House Three painters (Beth, Bill, and Edie),working together, can paint the exterior of a home in10 hours (h). Bill and Edie together have painted asimilar house in 15 h. One day, all three worked on thissame kind of house for 4 h, after which Edie left. Beth andBill required 8 more hours to finish. Assuming no gain orloss in efficiency, how long should it take each person tocomplete such a job alone?
Painting a House Three painters (Beth, Bill, and Edie),working together, can paint the exterior of a home in10 hours (h). Bill and Edie together have painted asimilar house in 15 h. One day, all three worked on thissame kind of house for 4 h, after which Edie left. Beth andBill required 8 more hours to finish. Assuming no gain orloss in efficiency, how long should it take each person tocomplete such a job alone?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 69RE
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Painting a House Three painters (Beth, Bill, and Edie),
working together, can paint the exterior of a home in
10 hours (h). Bill and Edie together have painted a
similar house in 15 h. One day, all three worked on this
same kind of house for 4 h, after which Edie left. Beth and
Bill required 8 more hours to finish. Assuming no gain or
loss in efficiency, how long should it take each person to
complete such a job alone?
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