Pipe A can fill 3 tanks in 8 minutes. Pipe B can fill 5 tanks in 10 minutes. How long will it take for them to fill a single tank if they wo

Question

Pipe A can fill 3 tanks in 8 minutes. Pipe B can fill 5 tanks in 10 minutes. How long will it take for them to fill a single tank if they work together?​

in progress 0
Orla Orla 3 years 2021-07-25T15:33:45+00:00 2 Answers 7 views 0

Answers ( )

  1. bonexptip
    0
    2021-07-25T15:34:56+00:00
    Reply

    Answer:

    8/7 min  = 1 \frac{1}{7} minutes

    Step-by-step explanation:

    A rate 2 2/3 = 8/3 min per tank

    B rate 2 min per tank

    thus:

    A rate = 3/8 tank per min

    B rate = 1/2 tank per min

    A+ B =  3/8 + 4/8 = 7/8 tank per min

    7/8 x = 1

    x = 8/7 min

     

  2. Sigrid
    0
    2021-07-25T15:35:36+00:00
    Reply

    Answer:

    pipe a: 8/3=2.66 min

    pipe b: 2 min

    if they work together they would take 2.33 minutes

    Step-by-step explanation

    the other answer is correct

Leave an answer

Browse

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