SOLUTION: Billy is 1 of 3 brothers and Billy is the oldest. The youngest is 2 years younger than Billy and the middle child is 1 year younger. What are their ages from youngest to oldest if

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Question 634672: Billy is 1 of 3 brothers and Billy is the oldest. The youngest is 2 years younger than Billy and the middle child is 1 year younger. What are their ages from youngest to oldest if the product of their ages is 120?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a*b*c=120;
c=b+1;c=a+2
a=4
b=5
c=6