hasbrownk12
Answered

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Strand A changes color every 14 seconds. Strand B changes color every 20. Both strands just changed color. After how many seconds will the strands change color at the same time again?

Sagot :

nb998007053

Answer:

140

Step-by-step explanation:

14, 28, 42, 56, 70, 84, 98, 112, 126, 140.

20, 40, 60, 80, 100, 120, 140.

14 x 10 = 140

20 x 7 = 140

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