Three men

Alex is half younger than Jan, which is one-third younger than George. The sum of their ages is 48. How are these three men old?

Correct result:

a =  8
b =  16
c =  24

Solution:


a = b - b/2
b = c - c/3
a+b+c= 48

2a-b = 0
3b-2c = 0
a+b+c = 48

a = 8
b = 16
c = 24

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