browniebear172 browniebear172

19-05-2021
Mathematics

contestada

Zane can paint a room in 5 hours. Terry can paint a room in 6 hours. How long will it take both of them to paint a room together?

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Hakuna111 Hakuna111

19-05-2021

Answer:

Step-by-step explanation:

1/3*X +1/4*X = 1

Use common denomination of 3*4=12

(4X + 3X) / 12 = 1 This implies that 7X/12 = 1.

Solving for X you get X=12/7 = 1.71 hours is the answer.

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