The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?
5 answers
What is the least common multiple of 9 and 15?
54 seconds
SO, WHAT IS THE ANSWER AND I DO I GET THE ANSWER?
15 seconds
the common multiple of 9 and 15 is 90
2 answers