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Jane took a train traveling at an average speed of 60 mph from Boston, MA to Washington, D.C. The trip took 8 hours. On her way back to Boston, Jane decides to take an express train that travels at an average speed of 75 mph. How long will the trip home take?

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Respuesta :

incognitofangirl
the answer is 6.4 hours!!

explanation:

60 miles * 8 hours = 480 miles
75 miles * x hours = 480 miles
x hours = 480 miles / 75 miles
6.4 hours = 75 miles

Time taken with average speed of 75 mph is 6.4 hour.

Given that;

Time taken with average speed of 60 mph = 8 hour

Find:

Time taken with average speed of 75 mph

Computation:

Distance = Speed × Time

Total Distance = 60 × 8

Total Distance = 480 miles

Time taken with average speed of 75 mph = Total distance / Speed

Time taken with average speed of 75 mph = 480 / 75

Time taken with average speed of 75 mph = 6.4 hour

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https://brainly.com/question/18585634?referrer=searchResults

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