A. 8 dm
B. 9 dm
10. Two blinking lights are turned on at the same time. One blinks every 5 seconds and the other blinks
every 6 seconds. In how many times will they blink at the same time?
A. 10 seconds B. 20 seconds
C. 30 seconds D. 40 seconds
B. 9 dm
10. Two blinking lights are turned on at the same time. One blinks every 5 seconds and the other blinks
every 6 seconds. In how many times will they blink at the same time?
A. 10 seconds B. 20 seconds
C. 30 seconds D. 40 seconds
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Answer:
C. 30 second
Step-by-step explanation:
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