Ryan can tar a roof in 15 hours. Stefan can tar the same roof in 11 hours. Find how long it would take them if they worked together.

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asked Oct 25, 2023 75.2k views

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Mattia Caputo · Answer 1 · 2023-10-29T09:51:01+0000

Answer:13 hours

Step-by-step explanation: remember you are averaging so you add the two numbers and divide by the number of numbers, 2. So, 15+11=26, 16 divided by 2=13

Ryan can tar a roof in 15 hours. Stefan can tar the same roof in 11 hours. Find how long it would take them if they worked together.

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