Christmas Maths Question?
Question by JinxedLove: Christmas Maths Question?
In Britain there are twenty million homes (20 000 000 or 2 x 10(7) <<<( thats ment to be a little seven on the 10 for usual standard form equations 
)
Santa is in Lapland sorting out his timetable. He can only spend between midnight and six a.m delivering presents otherwise he will be seen. What is his average combined time of travelling between and delivering to each house (in seconds)?
Please show working out if u can! Whoever can answer this will be a great help for me, thanks
Best answer:
Answer by Ms. Worth
The answer has to end up in the form “seconds per house.”
1) Determine how many seconds Santa has to work with
In six hours there are 60 minutes each, for a total of
6 * 60 minutes
In each minute, there are 60 seconds, for a total of
6 * 60 * 60 seconds
That is a grand total of 21600 seconds between midnight and 6am
——————–
2) Determine seconds per house
seconds/house = 21 600 / 20 000 000
Notice that this is less than one second per house, so you can expect a fractional answer.
Reduce the fraction to lowest terms, or convert it to a decimal
The fraction is 27/25000 seconds per household, which is a pretty non-commuicative figure
The decimal is 0.00108 seconds per household. That’s about one thousandth of a second in each house — or 1000 families per second — including traveling time.
It’s amazing that he can do this so fast!
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