Question 1154976
The product of the ages of a set of triplets: {{{x^3}}}

 is {{{12}}} times the {{{sum}}} of their ages:{{{3x*12}}}

equate it

{{{x^3=3x*12}}}

{{{x^3=36x}}}

{{{x^3/x=36x/x}}}

{{{x^2=36}}}

{{{x=sqrt(36)}}}

{{{x=6}}}