anonymous
  • anonymous
If it takes 37 minutes 58 seconds to complete a task, how long would it take to repeat the same task 7 times (answer in hours, minutes and seconds)?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
I got the hours but I am finding it hard getting the seconds
anonymous
  • anonymous
if you have the hours, just multiply it by 3600 to get the seconds!
anonymous
  • anonymous
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

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More answers

anonymous
  • anonymous
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.
anonymous
  • anonymous
I got all of that then divided bY 3600
anonymous
  • anonymous
the time in minutes=15946/60=265.77 min the time in hours=4.43 hours
anonymous
  • anonymous
so what do you exactly want?
anonymous
  • anonymous
this is the time it takes to do 7 tasks, in hours, minutes and seconds
anonymous
  • anonymous
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
anonymous
  • anonymous
I see
amistre64
  • amistre64
(37 min*7) + (58sec*7) 259min + 406 sec ..... maybe :)
anonymous
  • anonymous
O.O that looks nice actually
amistre64
  • amistre64
259/60 = 4hrs and 16 minutes
anonymous
  • anonymous
ok.. 4.43 hours=4 hours +0.43*60 min=4 hours 25.8 min=4 hours 25min 48sec
amistre64
  • amistre64
406/60 = 6minutes and 46 seconds i think
amistre64
  • amistre64
4 hours 22 minues and 46 seconds if I did it right... which is a BIG if today :)
anonymous
  • anonymous
the difference is due to the approximation I made in an earlier step :)
anonymous
  • anonymous
the answer is c
anonymous
  • anonymous
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
amistre64
  • amistre64
its close... accounting for errors in my stupidity :)
anonymous
  • anonymous
it's exactly c.. I double checked it
anonymous
  • anonymous
yep XD. Thanks again
amistre64
  • amistre64
259/60 was off a bit...4 hours 19 minutes
amistre64
  • amistre64
4.19.0 + 0.6.46 4.25.46 is right...
anonymous
  • anonymous
nice, you way seems shorter and easier as well. thanks
anonymous
  • anonymous
Kadious, do you know how to do it anyway? for next times? :P
amistre64
  • amistre64
i think its the same, just constructed differently,,,, :)
anonymous
  • anonymous
yep, I got up the 4.43 hours bit but didnt know how to get the mins and seconds
anonymous
  • anonymous
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
amistre64
  • amistre64
instead of going on into the decimals, keep the remainder of the division to "see" whats left :)
anonymous
  • anonymous
Hmm .. sounds and seems harder.
amistre64
  • amistre64
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
anonymous
  • anonymous
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
amistre64
  • amistre64
yep..
anonymous
  • anonymous
nice , Thanks XD

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