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I got the hours but I am finding it hard getting the seconds
if you have the hours, just multiply it by 3600 to get the seconds!
No thats that the answer, its meant to be in hours, minutes and seconds. I have found the hours part just cant change it to the rest
well.. here is the answer.. the time taken to complete one task, in seconds is 37*60+58=2278sec the time to do 7 tasks 7*2278=15946sec.
I got all of that then divided bY 3600
the time in minutes=15946/60=265.77 min the time in hours=4.43 hours
so what do you exactly want?
this is the time it takes to do 7 tasks, in hours, minutes and seconds
No u dont get it. these are the answer choice a 4 hours 26 mins 0 secs b 3 hours 45 mins 46 secs c 4 hours 25 mins 46 secs d 4 hours 66 mins 15 secs
(37 min*7) + (58sec*7) 259min + 406 sec ..... maybe :)
O.O that looks nice actually
259/60 = 4hrs and 16 minutes
ok.. 4.43 hours=4 hours +0.43*60 min=4 hours 25.8 min=4 hours 25min 48sec
406/60 = 6minutes and 46 seconds i think
4 hours 22 minues and 46 seconds if I did it right... which is a BIG if today :)
the difference is due to the approximation I made in an earlier step :)
the answer is c
anistre64 your answer is not in the options a 4 hours 26 mins 0 secs b 3 hours 45 mins 46 secs c 4 hours 25 mins 46 secs d 4 hours 66 mins 15 secs Ok got it now.. Thank you
its close... accounting for errors in my stupidity :)
it's exactly c.. I double checked it
yep XD. Thanks again
259/60 was off a bit...4 hours 19 minutes
4.19.0 + 0.6.46 4.25.46 is right...
nice, you way seems shorter and easier as well. thanks
Kadious, do you know how to do it anyway? for next times? :P
i think its the same, just constructed differently,,,, :)
yep, I got up the 4.43 hours bit but didnt know how to get the mins and seconds
But now I got the idea. Basically to multiply the 0.43 by 60 then if there are any remainder, I mulitply by 60 again
instead of going on into the decimals, keep the remainder of the division to "see" whats left :)
Hmm .. sounds and seems harder.
another way is to "estimate" the time to 38 minutes; then subtract from that 7*2secs ...... 38 * 7 = 266 minutes 266/60 = 4hrs with a remainder of 26minutes -7*2 secs = -14 sec 4 hrs 25 min and 46 sec
oh thats nice. so basically the the 2 is the 60-58 and 7 is the "7 times" thingy. So its basically the same as the other one you did
nice , Thanks XD