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Math Formula

Posted on 2016-10-25
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Last Modified: 2016-11-13
Good day, I am looking for an easy way to explain the following to someone.

if you travel 120km/h, how long will i take you to travel 400km?
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Question by:Hannelize Meyer
7 Comments
 
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by:itjockey
itjockey earned 50 total points (awarded by participants)
ID: 41858104
400/120.
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by:itjockey
ID: 41858106
but I guess you need to fill gas or petrol in between your journey ....add that time 😊
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by:sam shah
sam shah earned 150 total points (awarded by participants)
ID: 41858126
time=distance/speed...as simple as that. and all the parameters are in same units we dont need conversion also.
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Accepted Solution

by:
aburr earned 300 total points (awarded by participants)
ID: 41858703
If you travel for one hour, how far have you gone    120 km.
If you travel for another hour how far do you additionally go.    120 km      total trip so far. 240 km.
If you travel for another hour how far do you additionally go.    120 km      total trip so far. 360 km.

you now need a fraction of an hour to complete the trip.   That fraction is
(additional distance needed/speed you are going)      40/120

Of course you could use shah's note to start with.
time=distance/speed
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Author Comment

by:Hannelize Meyer
ID: 41858720
Thanks everyone. I was able to explain to her in a way that she could understand it!
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by:dhsindy
ID: 41858986
d = r(t) - explain that rate times time equals distance traveled.
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Expert Comment

by:aburr
ID: 41885218
an expaination for somebody else was asked for.
Burr gave it
shah gave the general solution
itj.. gave the specific solution first
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