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28 January, 06:43

All members of our painting team paint at the same rate. If $8$ members can paint a specific wall in $36$ minutes, then how long would it take $18$ members to paint the same wall, in minutes?

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  1. 28 January, 06:50
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    16 minutes

    Step-by-step explanation:

    Time is assumed to be inversely proportional to the number of members painting, so when the number of member is increased by a factor of 18/8, the time is expected to decrease by the factor 8/18 = 4/9.

    (4/9) (36 min) = 16 min

    18 members can paint the wall in 16 minutes.
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