Answer Happy

Posted: **Mon Jul 11, 2022 12:48 pm**

: 23 One Welcome Sign Flashes Every 8 Seconds And Another Welcome Sign Flashes Every 12 Seconds At A Certain Instant T 1 (15.14 KiB) Viewed 28 times

23. One welcome sign flashes every 8 seconds, and another welcome sign flashes every 12 seconds. At a certain instant, the 2 signs flash at the same time. How many seconds elapse until the 2 signs next flash at the same time? A. 4 B. 10 C. 20 D. 24 E. 96