17. A group of college students is volunteering for Help the Homeless during their spring break They are putting the finishing touches on a house they built. Working alone, Irina can paint a certain room in 9 hours. Paulo can paint the same room in 8 hours. Write an equation that can be used to find how long it will take them working together to paint the room. How many hours will it take them to paint the room? If necessary, round your answer to the nearest hundredth. 1: 2.18 hours 8 6. 1 3.73 hours 8. = 1; 8.5 hours = 1; 4.24 hours 8. SSkills Check
17. A group of college students is volunteering for Help the Homeless during their spring break They are putting the finishing touches on a house they built. Working alone, Irina can paint a certain room in 9 hours. Paulo can paint the same room in 8 hours. Write an equation that can be used to find how long it will take them working together to paint the room. How many hours will it take them to paint the room? If necessary, round your answer to the nearest hundredth. 1: 2.18 hours 8 6. 1 3.73 hours 8. = 1; 8.5 hours = 1; 4.24 hours 8. SSkills Check
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.6: Problem Solving: Using Charts
Problem 19P
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