document.write( "Question 331719: Can someone please help me with this problem? Thank you! \r
\n" ); document.write( "\n" ); document.write( "Determine how many complete revolutions each gear in
\n" ); document.write( "the following must make before the arrows are lined up
\n" ); document.write( "again:
\n" ); document.write( "Gear 1 = 40 teeth
\n" ); document.write( "Gear 2 = 24 teeth
\n" ); document.write( "Gear 3 = 60 teeth
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Algebra.Com's Answer #237834 by ankor@dixie-net.com(22740)\"\" \"About 
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Determine how many complete revolutions each gear in
\n" ); document.write( "the following must make before the arrows are lined up
\n" ); document.write( "again:
\n" ); document.write( "Gear 1 = 40 teeth
\n" ); document.write( "Gear 2 = 24 teeth
\n" ); document.write( "Gear 3 = 60 teeth
\n" ); document.write( ":
\n" ); document.write( "Find the \"least common multiple\" prime factor each number
\n" ); document.write( "40:2*2*2*5
\n" ); document.write( "24:2*2*2*3
\n" ); document.write( "60:2*2*3*5
\n" ); document.write( ":
\n" ); document.write( "LCM = 2*2*2*3*5 = 120; divide by the no. of teeth of each gear
\n" ); document.write( ":
\n" ); document.write( "Gear 1: 3 rev
\n" ); document.write( "Gear 2: 5 rev
\n" ); document.write( "Gear 3: 2 rev
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