a red string of holiday lights blinks once every 3 seconds while a string of blue lgihts blink once every 4 seconds. how many ti
mes with both sets of lights blink at the same time in 1 minute
1 answer:
The highest common factor of 4 and 3 is 12
one minute has 60 secs
thus it will blink 60/12=5 times
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y=-2x^2+10x-12
Step-by-step explanation:
graph is shown in image below
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