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victus00 [196]
3 years ago
10

There is a high-speed rail track between London and Manchester.

Mathematics
2 answers:
Keith_Richards [23]3 years ago
7 0

Answer:

Step-by-step explanation:

this is the famous dirt formula,  :P  I made it up   :D

D=rt    ( notice it looks like   Dirt  , kinda,  but it also means it dirt simple )

D= distance

r = rate  ( think speed or how fast)

t = time  ( in what ever units of time you want to use, seconds, minutes, hours )

13:28 - 11:20 = 128 minutes ( b/c the question is asking in MPH convert to hours)   2.4666667 hours

210 miles =  r * 2.46666667

210 / 2.46666667 = r   ( in MPH) ( does anyone else find it odd that they are saying miles in London instead of kilometers? :/ )

85.135 MPH = rate

so no, not even close to 104 MPH  :/  

aksik [14]3 years ago
3 0

Answer:

Average speed is 98 mph

Step-by-step explanation:

\frac{distance (miles)}{time (hours)} = speed \frac{mile}{hours}  (miles per hour is a ratio)

The time is 2 hours and 8 minutes.

\frac{8}{60} = .13333 ( 8 minutes / 60 minutes in a hour)

So time is 2.133333 hours .

Divide the distance 210 by the time 2.13333 and get the speed.

Its 98.437..

Round to 98 miles per hour.

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