Respuesta :
Answer:
average speed = distance / time
60 = distance / (13.20 - 10.40)
13.20 - 10.40 = 2 hours 40 minutes = 2 2/3 hours
60 = distance / 8/3 = 3 d / 8 (where d = distance)
3d = 480
d = 480/3 = 160 miles
The distance between the station in Boston and the one in Stamford is 160 miles.
Distance is calculated by the formula:
= Speed x Time
The Speed is 60 mph as given.
The time is:
= 1:00 pm - 10:20AM
= 2 hrs 40 minutes
In decimals this is:
= 2 + 40/60 minutes
= 2 + 2/3
= 2.67 hours
The distance is therefore:
= Speed x Time
= 60 x 2.67
= 160 miles
In conclusion, the distance between the stations is 160 miles.
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