Respuesta :

Answer:

8 hours

Step-by-step explanation:

Using the relationship

speed = [tex]\frac{distance}{time}[/tex] = [tex]\frac{126}{3}[/tex] = 42

travelling at a rate of 42 mph , then

time = [tex]\frac{distance}{speed}[/tex] = [tex]\frac{336}{42}[/tex] = 8 hours
Based on the given conditions, formulate: 336×3 = 1008/8
Answer: 8 hours

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