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 togethe

Question

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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Thu Thảo 1 month 2022-12-31T07:20:55+00:00 2 Answers 0 views 0

Answers ( 2 )

    0
    2022-12-31T07:22:11+00:00
    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

    0
    2022-12-31T07:22:42+00:00
    Answer:
    15+11=26 divided by 2=13
    Step-by-step explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )