3 kitchen timers are set to start at the same time. The first goes off every 10 minutes,the second goes off every 15 minutes and the third goes off every 25 minutes. How many minutes will pass before all 3 are going off at the same time? Show support and explain your process. Please help ASAP!!! :(
You are looking for the least common multiple of 10, 15, and 25 which would be 150.
10 = 2*5
15 = 3*5
25 = 5*5 , so the LCM = 2*3*5*5 = 150