Answer :

lets first numbers is x, second is (x+2), third is x+4
sum is x+(x+2)+(x+4)=87
3x+6=87
3x=81
x=27
Answer: smallest number is 27
Kytten
The three numbers would be 27, 29, and 31. 27 + 29 + 31 = 87 The smallest of these numbers is 27 so that's your answer.