Question 894457
n is an integer.
3n, 3(n+1), 3(n+2), three consecutive multiples of 3.


{{{3n+3(n+1)+3(n+2)=81}}}
{{{3(n+n+1+n+2)=81}}}
{{{3(3n+3)=81}}}
{{{9(n+1)=81}}}
{{{n+1=81/9}}}
{{{n+1=9}}}
{{{highlight_green(n=8)}}}


The numbers are 24, 27, 30.