document.write( "Question 1027586: There are 3 pendulums in the science lab room. The first pendulum swings back and forth every 6 seconds. The second pendulum swings back and forth for 5 seconds, the third pendulum swings back and forth every 3 seconds. If they all started at the same time, every how many seconds will they have the same starting point ? \n" ); document.write( "

Algebra.Com's Answer #642803 by ikleyn(52797) $\"\"$ $\"About$

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\n" ); document.write( "There are 3 pendulums in the science lab room. The first pendulum swings back and forth every 6 seconds.
\n" ); document.write( "The second pendulum swings back and forth for 5 seconds, the third pendulum swings back and forth every 3 seconds.
\n" ); document.write( "If they all started at the same time, every how many seconds will they have the same starting point ?
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document.write( "This problem is about Less Common Multiple (LCM) of the numbers 6, 5 and 3.\r\n" );
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document.write( "The LCM is 30.\r\n" );
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document.write( "Answer. In 30 seconds.\r\n" );
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