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Mathematics 13 Online
OpenStudy (anonymous):

A high speed bullet train traveled 900 feet in 5 seconds. At this rate, how far would it travel in one minute? A. 4500 ft B. 5400 ft C. 10,800 ft D. 54,000 ft

hartnn (hartnn):

900 feet in 5 sec, so how many feet in 10 sec?

OpenStudy (welshfella):

work out h seconds there are in 1 minute

OpenStudy (anonymous):

?

OpenStudy (impracticaljoker):

The answer is a, I don't feel like explaining it.

OpenStudy (anonymous):

lol, thanks!

OpenStudy (welshfella):

* how many seconds are in 1 minute

OpenStudy (sparrow2):

it's not a

OpenStudy (anonymous):

It isnt?

OpenStudy (welshfella):

No direct answers please

OpenStudy (anonymous):

:(

OpenStudy (sparrow2):

yep..you should work it out

OpenStudy (sparrow2):

calculate how many ft will be in 1 second

OpenStudy (anonymous):

I dont know how...

OpenStudy (anonymous):

900 Divided by 5?

OpenStudy (sparrow2):

yes

OpenStudy (anonymous):

ok

OpenStudy (sparrow2):

then how many second in 1 minute?

OpenStudy (anonymous):

180

OpenStudy (sparrow2):

no in one minute

OpenStudy (anonymous):

oh...

OpenStudy (sparrow2):

okay..how many minutes in 1 hour?:

OpenStudy (anonymous):

60

OpenStudy (sparrow2):

thiw is true in second to minute too. so 60 seconds in 1 minute

OpenStudy (anonymous):

yes

OpenStudy (sparrow2):

okay now you know that in 1 second he covers 900/5 and they ask you for 60 second

OpenStudy (sparrow2):

what whould you do?

OpenStudy (anonymous):

idk

OpenStudy (sparrow2):

ok.if in 1 seond i cover 1 meter ..how many would i cover in 10 second?

OpenStudy (sparrow2):

the speed is constant of course

OpenStudy (anonymous):

10

OpenStudy (sparrow2):

what did you do to get 10?

OpenStudy (anonymous):

...

OpenStudy (sparrow2):

myltiplied 1 meter to 10

OpenStudy (anonymous):

:D

OpenStudy (sparrow2):

you do the same in your example

OpenStudy (anonymous):

c!

OpenStudy (sparrow2):

understood? :D

OpenStudy (anonymous):

nope!

OpenStudy (sparrow2):

you have 900/5 in 1 second and you want to calculate in 60 seconds

OpenStudy (sparrow2):

you just multiply

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