simple problem of loading to solve
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simple problem of loading to solve
1 guy can load a cargo plane in 2 hours, the second guy in 3 hours, and the 4th guy in 4 hours...
what s the time to load the plane if all guys work together?
thank you.
what s the time to load the plane if all guys work together?
thank you.
Wunderbra
Join Date: Aug 2006
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Pred, I don't think so.
First bloke (a) loads 1/2 a plane an hour
second bloke (b) loads 1/3 of a plane an hour
third bloke (c) loads 1/4 of a plane an hour.
Sooooo.
Lowest common denominator is 12
a = 6/12 per hour
b = 4/12 per hour
c = 3/12 per hour
So in one hour we have 13/12 planes loaded
Now, an hour divided by 13 = 4 minutes 37 seconds
and we only need 12 of those, so
It takes them, working as a team, assuming that each works at his normal rate, 55 minutes and 24 seconds.
First bloke (a) loads 1/2 a plane an hour
second bloke (b) loads 1/3 of a plane an hour
third bloke (c) loads 1/4 of a plane an hour.
Sooooo.
Lowest common denominator is 12
a = 6/12 per hour
b = 4/12 per hour
c = 3/12 per hour
So in one hour we have 13/12 planes loaded
Now, an hour divided by 13 = 4 minutes 37 seconds
and we only need 12 of those, so
It takes them, working as a team, assuming that each works at his normal rate, 55 minutes and 24 seconds.
Hovering AND talking
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What happened to the third guy?
The answer is two hours because you'd sack the other two for being lazy and unproductive.
Cheers
Whirls
I take it this isn't serious? If so, then Matt's right!
The answer is two hours because you'd sack the other two for being lazy and unproductive.
Cheers
Whirls
I take it this isn't serious? If so, then Matt's right!
Wunderbra
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Yes pred, I stated the necessary assumptions prior to my answer. It presumes that each works at his normal rate, and that there is no interaction. I would suggest that the true answer would be less than that, as we all know that the whole is greater than the sum of its parts!
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You are all wrong, you fire all four of them, then you turn over the whole mess to Federal Express, they turn around in about 60 min. And they make a lot of money too. Or if its a Union shop you just let the first guy do it, and the other three just stand there and watch. Another problem solved from across the pond.
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Mercenery,
Bit of a contradiction there, don't you think?
This would mean you don't care about it at all
Then you say you actually care about the main aspect of the loading!
Bit of a contradiction there, don't you think?
I couldn't give a toss
as long as they do the job properly and I push back on time.
