Question 159291
Let the first integer be I
The 3 integers are then given by I, I+1 and I+2
You are told {{{I + (I+2) = 40}}}
{{{2I + 2 = 40}}}
{{{2I = 38}}}
{{{I = 19}}}
So the 3 integers are 19, 20 and 21