meraa65 meraa65

30-07-2020
Mathematics

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Question ID: 470099

One student can paint a wall in 12 minutes. Another student can paint the same wall in 24 minutes. Working together, how long will it
take for them to paint the wall?

Respuesta :

altavistard altavistard

30-07-2020

Answer:

8 min

Step-by-step explanation:

Try this:

1 wall 1 288

------------------------ = --------------- = --------------- min = 8 min

1 wall 1 wall 24 + 12 36

(---------) + (---------) ------------

12 min 24 min 288

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