document.write( "Question 1123968: A yellow neon light blinks every 6 seconds, a pink neon light blinks every 5 seconds,and a red neon light blinks every 4 second. How many times within 30 minutes will they blink together.? \n" ); document.write( "
Algebra.Com's Answer #740358 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A yellow neon light blinks every 6 seconds, a pink neon light blinks every 5 seconds,and a red neon light blinks every 4 second. How many times within 30 minutes will they blink together.? \n" ); document.write( "--------- \n" ); document.write( "The LCM = 60 seconds --> coincident once per minute. \n" ); document.write( "30 minutes --> 30 coincident blinks, \n" ); document.write( "OR 31 if it's from zero to 30 inclusive. \n" ); document.write( " |