Question

two neon lights are turned on at the same time. one blinks every 4 seconds and the other blinks every 6 seconds. in 60 seconds how many times will they blink at the same time

Answer 1

Answer:

5

Step-by-step explanation:

you count the multiples of 6 that are also multiples of 4

Answer 2

Answer:

5

Step-by-step explanation:

W e have to find the LCM of 4 and 6

which is 12

then

60/12=5

hope this helps you