Respuesta :

Answer:

20 hours

Step-by-step explanation:

amount of birdhouse he can make in 1 hour

12/8= 1.5 bird house / hour

the amount of time it take to make 30 birdhouse

30 / 1.5 = 20 hours

A man can make 12 birdhouses in 8 hours. It will take him  20 hours to make 30.

Word problems in mathematics involve a careful understanding of the question. Then recognizing the excess and shortage of items after distribution.

From the given information.

  • A man can make 12 birdhouses in 8 hours

Then, he will make 30 birdhouses in x hours

Now, making x the subject of the above expressions, we have:

[tex]\mathbf{x = \dfrac{30 \ birdhouses \times 8 hours }{ 12 \ birdhouses}}[/tex]

x = 20 hours

Therefore we can conclude that in 20 hours, the man will make 30 birdhouses.

Learn more about word problems here:

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