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a crew of highway workers paved 2 over 15 mile in 20 minutes. if they work at the same rate,What portion of a mile will they pave in one hour?

Respuesta :

[tex]20 \ mins \ = \dfrac{2}{15} \ mile[/tex]

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Find 10 mins :
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[tex]10 \ mins \ = \dfrac{2}{15} \div 2 \ mile[/tex]

[tex]10 \ mins \ = \dfrac{2}{15} \times \dfrac{1}{2} \ mile[/tex]

[tex]10 \ mins \ = \dfrac{1}{15} \ mile[/tex]

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Find 60 mins (60 mins = 1 hour) :
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[tex]60 \ mins \ = \dfrac{1}{15} \times 6 \ mile[/tex]

[tex]60 \ mins \ = \dfrac{6}{15} \ mile[/tex]

[tex]60 \ mins \ = \dfrac{2}{5} \ miles[/tex]

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Answer: They can pave 2/5 miles in 1 hour.
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2/15 in 20mins

1hour=60 mins

20x3 equals 60 mins

2
— x 3
15

Equals 6/15. Which equals 2/3 of a mile.

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