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ok help me check if my answer is correct please! im trying to prove santa doesn't exist.. by saying he wouldnt possibly have time to visit all the houses and crap like that.. so lets say there's 2 billion people in the world, of which 30% are children under 15 (meaning thats how many people have a right of getting presents) and the average is 3,2 children per family.... and santa has 30 houres to deliver ALL presents.. how much time does santa have at each house?

to now this we have to know how many houses there are, right? so i tried doing this..

0.30 * 2000000000 = 600000000 children
600000000/3.2 = 87500000 houses

ANSWER: 30/187500000

but what the heck does that mean?
on my calcultor that doesnt work!
so it cant be right can it???

is this for school? well anyway what you should do is either choose 3 or 2 as your average kids per house. i'd go with 2. so then you should do this

.30 * 2000000000 = 600000000 children getting presents

then do:

600000000/2= 300000000 houses

then you do

30 hrs / 300000000 = .0000001 hrs per house

then you can change that to be mintues or seconds.

.0000001 hours per house
.000006 mintues per house
.00036 seconds per house

there you go :]

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(Rating: 5) the only one who actually answered my question instead of just telling me how stupid it was. you were a great help, thanks! ♥
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