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Llana [10]
2 years ago
6

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 toget

her.
Mathematics
2 answers:
Triss [41]2 years ago
6 0

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

Alika [10]2 years ago
5 0

Answer:

15+11=26 divided by 2=13

Step-by-step explanation:

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