LollyLau
  • LollyLau
[Easy] Peter and John need to use 6 days to complete some work. John and Lucas need 9 days to finish it, and Peter and Lucas need 15 days to finish it. How many days do they have to use if they do the work together?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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LollyLau
  • LollyLau
anyone?
LollyLau
  • LollyLau
They're still busy doing the previous one. "sigh"
anonymous
  • anonymous
this is a set of diophantine equations right

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More answers

anonymous
  • anonymous
You can do it using time and work formula.
LollyLau
  • LollyLau
get three people named Peter, John and Lucas and start :)
anonymous
  • anonymous
work = work/time * time?
anonymous
  • anonymous
alright in Python I will create Peter, John, and Lucas objects and see how long they take to do the thing
anonymous
  • anonymous
Do you need to use python for EVERYTHING?
LollyLau
  • LollyLau
easy solution below.
LollyLau
  • LollyLau
Peter = p John = j Lucas = l p+j = 1/6 j+l = 1/9 p+l = 1/15.
LollyLau
  • LollyLau
add p, j, and l and find the reciprocal.
anonymous
  • anonymous
Yeah, I knew that, just too lazy to work it out.
anonymous
  • anonymous
yea it is a bunch of arithmetic \[\frac{180}{31}\] i think
LollyLau
  • LollyLau
nice! you got it correct.
Mertsj
  • Mertsj
Of course he did.
anonymous
  • anonymous
my arithmetic somethings fails me though
LollyLau
  • LollyLau
namely careless.

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