Qualification > Math

how long a journey was?

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NotAbod:
hey, need help!!!
Q- a train left sydney at 2320 on decmber 18th and arrived in brisbane at 0240 on december 19 th.
how long in hours and minutes was the journey?

How to use the calculator to find the answer? just calculator, 991es or 85es

........:
Dude easy

You know the dot comma box above ENG ?

23(press that button) 20 (press it again) - 02(press it again) 40 (press it again)

NotAbod:
yes i know this, using this gives answer "2040" and journey time is 03:20

........:
Yea well you have to use your brain too see?

Its on the next day that he reached. So you add 24 hours to 0230 and then subtract it

NotAbod:
Thanks :)
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