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)?

- anonymous

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- anonymous

I got the hours but I am finding it hard getting the seconds

- anonymous

if you have the hours, just multiply it by 3600 to get the seconds!

- 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

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

I got all of that then divided bY 3600

- anonymous

the time in minutes=15946/60=265.77 min
the time in hours=4.43 hours

- anonymous

so what do you exactly want?

- anonymous

this is the time it takes to do 7 tasks, in hours, minutes and seconds

- 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

I see

- amistre64

(37 min*7) + (58sec*7)
259min + 406 sec ..... maybe :)

- anonymous

O.O that looks nice actually

- amistre64

259/60 = 4hrs and 16 minutes

- anonymous

ok..
4.43 hours=4 hours +0.43*60 min=4 hours 25.8 min=4 hours 25min 48sec

- amistre64

406/60 = 6minutes and 46 seconds i think

- amistre64

4 hours 22 minues and 46 seconds if I did it right... which is a BIG if today :)

- anonymous

the difference is due to the approximation I made in an earlier step :)

- anonymous

the answer is c

- 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

its close... accounting for errors in my stupidity :)

- anonymous

it's exactly c.. I double checked it

- anonymous

yep XD.
Thanks again

- amistre64

259/60 was off a bit...4 hours 19 minutes

- amistre64

4.19.0 + 0.6.46
4.25.46 is right...

- anonymous

nice, you way seems shorter and easier as well.
thanks

- anonymous

Kadious, do you know how to do it anyway? for next times? :P

- amistre64

i think its the same, just constructed differently,,,, :)

- anonymous

yep, I got up the 4.43 hours bit but didnt know how to get the mins and seconds

- 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

instead of going on into the decimals, keep the remainder of the division to "see" whats left :)

- anonymous

Hmm .. sounds and seems harder.

- 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

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

yep..

- anonymous

nice ,
Thanks XD

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