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15 January, 00:04

A red string of holiday lights blinks every once 3 seconds while a string of blue lights blink once every 4 seconds how many time will bits sets of lights blink in 1 minute

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  1. 15 January, 03:30
    0
    35 times a minute

    Step-by-step explanation:

    the red string blinks (60/3=) 20 times a minute.

    The blue light blinks (60/4) = ) 15 times a minute.

    In total, 20+15=35.
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