Ban, tag and black are neighborhood dogs. ban consistently barks every 4 minutes, tag every 3 minutes, and black every 5 minutes. if they barked simultaneously at 11 p. m , at what time will they bark simultaneously again?

Step-by-step explanation:

Just find the LCM or least common multiple of the minute-intervals of their barking. Then, add it to 11 p.m. to know the answer.

Finding the time when the dogs bark together:

They bark together every 60 minutes (1 hour).

11 p.m. + 1 hour = 12 a.m.

answer:

1.

population: students enrolling in the university

sample: average waiting student

2.

population: all employees at mountain view state university

sample: average monthly income of the employees

step-by-step explanation:

answer:

1. -12

2. -11

3. 15

4. 11

Step-by-step explanation:

-12-5=-7

-11-5=-6

15-5=10

16-5=11