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Mr. Martin and his son, Luke, decide to walk a 12 kilometer trail. Mr. Martin takes a 1-hour head start and walks at a pace of 3 km/hr. Explain how fast Luke should walk to reach the end of the trail in 3 hours, the same time as Mr. Martin.

Respuesta :

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Answer:

It takes Mr. Martin 4 hours to walk the trail.  Luke should walk faster than Mr. Martin.  Use the equation, 12 = (3)(x).  Luke should walk 4 km/hr to finish the trail in 3 hours.

Step-by-step explanation:

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Martin will take 4 hours to complete the walk and Luke will run with 4 km/hr speed.

Given information:

Mr. Martin and his son, Luke, decide to walk a 12 kilometers trail.

Mr. Martin runs with a pace of 3 km/hr and started 1 hour before Luke.

Luke should finish in 3 hours, and Luke and Martin should complete at the same time.

So, the total time taken by Martin will be,

[tex]t=\dfrac{12}{3}\\t=4\rm\; hours[/tex]

The speed of Luke will be,

[tex]s=\dfrac{12}{3}\\s=4\rm\; km/hr[/tex]

Therefore, Martin will take 4 hours to complete the walk and Luke will run with 4 km/hr speed.

For more details, refer to the link:

https://brainly.com/question/23774048

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