document.write( "Question 614313: Suppose your baby sister is born at 12 noon and you call 2 friends. In 10 minutes, they each call 2 friends to tell the news. In 10 minutes, these friends call 2 others each. This continues all afternoon. How many people will know by 4:00 pm? \n" ); document.write( "
Algebra.Com's Answer #386500 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
The number of 10 minute periods in 4 hours
\n" ); document.write( "is \"+%28+4%2A60+%29+%2F+10+=+24+\"
\n" ); document.write( "The number of people who know is
\n" ); document.write( "\"+2%5E24+%2B+1+\" and the 1 is yourself
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