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You have moved into a new house and your friends have come over to help paint the walls. Everyone paints at the same rate of 1.5 hours/wall.


QUESTION: If there are six people painting on Saturday, how many walls could you get painted in 3 hours?


walls

Sagot :

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Answer:

12 walls

Step-by-step explanation:

Let's take everyone paints a different wall and there are no overlaps.

Given information from the question:

1.5 hours = 1 wall

1 hour =

[tex] \frac{1}{1.5} \\ = \frac{2}{3} walls[/tex]

per person.

From the information above, we can deduce:

6 people =

[tex] \frac{2}{3} \times 6 \\ = \frac{12}{3} \\ = 4 \: walls[/tex]

Since we know 6 people can paint 4 walls in an hour,

3 hours =

[tex]3 \times 4 \\ = 12 \: walls[/tex]

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