It takes Tristan 140 minutes to paint a room, working at a steady pace. It takes Maryia 80 minutes to paint the same size room. There is one room left to paint that is the exact same size as the two rooms they’ve painted. How long should it take Tristan and Maryia to paint the third room together? (Round to the nearest minute if necessary.)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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It takes Tristan 140 minutes to paint a room, working at a steady pace. It takes Maryia 80 minutes to paint the same size room. There is one room left to paint that is the exact same size as the two rooms they’ve painted. How long should it take Tristan and Maryia to paint the third room together? (Round to the nearest minute if necessary.)

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