PLEASE HELP Two bells ring every 10 and 25 minutes respectively. They start ringing together at 6 a.m. At what time will they next ring together?
Accepted Solution
A:
They next ring together will be at 6:50 a.m.Step-by-step explanation:The given is:Two bells ring every 10 and 25 minutes respectivelyThey start ringing together at 6 a.m.We need to know at what time will they next ring togetherTo solve the problem lets find the lowest common multiple of 10 and 25∵ The multiples of 10 are 10 , 20 , 30 , 40 , 50 , 60 , 70 , 80 , 90 , 100 , .....∵ The multiples of 25 are 25 , 50 , 75 , 100 , ........∵ The common multiples of 10 and 25 are 50 , 100 , ......∴ The lowest common multiple of 10 and 25 is 50∵ The two bells start ringing together at 6 a.m.∵ The first bell rings every 10 minutes∴ The first bell rings at 6:10 a.m. , 6:20 a.m. , 6:30 a.m. , 6:40 a.m. , 6:50 a.m. , .........∵ The second bell rings every 25 minutes∴ The second bell rings at 6:25 a.m. , 6:50 a.m. , ........∴ They start ringing together at 6:50 a.m.They next ring together will be at 6:50 a.m.Learn more:You can learn more about the factors in brainly.com/question/5194236#LearnwithBrainly