SOLUTION: An aeroplane took off at 5.20 p.m. and reached its destination 300 miles away at 6.50 p.m.. What was its speed in miles per hour?

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Question 815748: An aeroplane took off at 5.20 p.m. and reached its destination 300 miles away at 6.50 p.m.. What was its speed in miles per hour?
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
An aeroplane took off at 5.20 p.m. and reached its destination 300 miles away at 6.50 p.m.. What was its speed in miles per hour?
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d = r*t
r = d/t

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

An aeroplane took off at 5:20 p.m. 

and reached its destination 300 miles away at 6:50 p.m.. 

 6:50

-5:20  1:30,   traveled  1 1/2 hrs  0r 1.5hrs

D = rt   0r  r = %28D%2Ft%29=+300mi%2F1.5hr+=+200mph