two lights flah their lights every 30 seconds and 40 seconds respectively. given that they last flashed together at 10:40…

two lights flah their lights every 30 seconds and 40 seconds respectively. given that they last flashed together at 10:40…

two lights flah their lights every 30 seconds and 40 seconds respectively. given that they last flashed together at 10:40 a.m, when will they flash together next?

 

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