15-09-2019
Mathematics

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it takes 2/3 of an hour to paint 2/5 of a room. How long does it take to paint 2/5 of a room?

Respuesta :

15-09-2019

It will take 40 minutes.

To solve, divide 60 by 3. 60 is how many minutes there are in a minute. 3 is how long it takes to paint 2/5 of the room. We do not need to use the number 2/5 in this situation. Now back to 60 divided by 3. The answer is 20 minutes. Now multiply 20 by 2 to get 2/3 of an hour. Therefore, it takes 40 minutes to paint 2/5 of a room.

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