Yellow= every 2 seconds

Red= every 3 seconds

Green= every 4 seconds

Blue= every 5 seconds

If they flash together at 12 noon sharp, when will they flash together again?

Not perfect square trinomials: 4b²+6b+9 h²+2hj-j² f²+4fg+g²

3600.

6: 5 is equal to 2,200.

divide the total number of freshmen and sophomore students, which is 2,200 to 11, the sum of the ratio 6 and 5 (6+5=11)

the answer to that is 200. 200 is equivalent to 1 in the ratio. so to get the freshmen students whose ratio is 6, you need to multiply 200 to 6 because, as what i've said earlier that 200 is equal to 1. (what will you multiply to 1 to get 6, 6 right? ) answer: 200*6= 1200

after that, you also need to get the sophomore students. you just need to multiply 200 by 5. answer: 200*5= 1000

check: 6: 5 ; 1200: 1000 = 2,200 (1200+1000=2,200)

then by getting the other numbers are quite easy since the ratio overall is, 6: 5: 4: 3

all you have to do is to multiply 200 by 4 and 3.

200*4=800

200*3=600

lastly, add all 4 numbers.

1200+1000+800+600= 3600

and you get 3600.

6: 5 is equal to 2,200.

divide the total number of freshmen and sophomore students, which is 2,200 to 11, the sum of the ratio 6 and 5 (6+5=11)

the answer to that is 200. 200 is equivalent to 1 in the ratio. so to get the freshmen students whose ratio is 6, you need to multiply 200 to 6 because, as what i've said earlier that 200 is equal to 1. (what will you multiply to 1 to get 6, 6 right? ) answer: 200*6= 1200

after that, you also need to get the sophomore students. you just need to multiply 200 by 5. answer: 200*5= 1000

check: 6: 5 ; 1200: 1000 = 2,200 (1200+1000=2,200)

then by getting the other numbers are quite easy since the ratio overall is, 6: 5: 4: 3

all you have to do is to multiply 200 by 4 and 3.

200*4=800

200*3=600

lastly, add all 4 numbers.

1200+1000+800+600= 3600

and you get 3600.

12:01 pm

Step-by-step explanation:

Y-27 flashes --|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|

R-19 flashes ---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

G-15 flashes |||||||||||||||

B- 11 flashes

||||||||||||

Y = 27(2) sec. = 54 sec.

R = 19(3) sec. = 57 sec.

G = 15(4) sec. = 60 sec.

B = 11(5) sec. = 55 sec.

60 = 2×2×3×5

60 sec. = 1 min.

12h 0min + 0h 1min = 12:01 pm

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