Owl A,B,C

Owl a gives a hoot every 7 minutes. Owl b gives a hoot every 9 minutes. Owl c gives a hoot every 5 minutes except when he has heard owl a or b give a hoot within the previous 2.5 minutes. If this happens, owl c doesn't give a hoot. If all three owls give a hoot at the stroke of midnight, how many times after midnight and before 1:00 am does the owl c give a hoot?

Correct answer:

n =  5

Step-by-step explanation:

t=1 h min=1 60  min=60 min  a: 7,14,21,28,35,42,49,56 b: 9,18,27,36,45,54 c: 5,10,15,20,25,30,35,40,45,50,55 c1: 5,25,35,40,45  n=5

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Do you want to calculate the least common multiple of two or more numbers?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: