document.write( "Question 1153774: there are about 1 billion people in china .if they lined up four to a row and marched past you at the rate of 25 rows per minute .how long would it take the parade to pass you ?. \n" ); document.write( "
Algebra.Com's Answer #776056 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "4 people per row, times 25 rows per minute, equals 100 people per minute.

\n" ); document.write( "Time required for 1,000,000,000 people to pass by:

\n" ); document.write( "(1 billion) divided by 100 = 10 million minutes = a bit over 19 years.

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