Grandfathers Age and Grandchildren

Michael's grandfather has 4 grandchildren. During this year's celebrations, he discovered that he is 7 times older than Michael, six times as old as Wes, four times as old as Emil, and three times as old as John. This situation can only happen once in a lifetime. How many birthdays has Grandpa celebrated?

Final Answer:

n =  84

Step-by-step explanation:

n<150 7 ...  prime number 6=23 4=22 3 ...  prime number LCM(7,6,4,3)=2237=84  n=LCM(7,6,4,3)=84



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