Javier's grandmother lives 120 miles away. It takes 1 hour to travel 40 miles by train. If Javier leaves at 7 AM is it reasonable to say he will arrive in his grandmother's city by 9 AM

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22-10-2015
Mathematics

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Javier's grandmother lives 120 miles away. It takes 1 hour to travel 40 miles by train. If Javier leaves at 7 AM is it reasonable to say he will arrive in his grandmother's city by 9 AM

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Аноним Аноним · Answer 1 · 2015-10-22T23:02:36+02:00

If it takes 1 hour to go 40 miles, then if you multiply 40 by 3, ( 3 being the amount of hours ) you would have 120. ( the amount of miles it takes for Javier to get to his grandmother. ) So, because there is only a 2 hour difference between 7 AM and 9 AM, it would be unreasonable for Javier to be in his grandmothers city. But, it WILL be reasonable for Javier to be in his grandmothers city by 10 AM.