Mathematics, 21.10.2020 17:01 ezy53
You hang two strings of decorative lights. Strand 1: changes between red and blue every 15 seconds. Strand 2: changes between green and gold every 18 seconds. Both strands just changed color. After how many seconds will the strands change color at the same time again?
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You hang two strings of decorative lights. Strand 1: changes between red and blue every 15 seconds....
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