Respuesta :

Answer:

The average would be 15; the numbers would be 13, 15, 17. Can be done, also, by Algebra: x-2, x & x+2 are the numbers; set their sum to 45 and solve

Step-by-step explanation:

Hope this helps

Answer:

14 (the smallest number

Step-by-step explanation:

x+x +1+x+2 =45

3x+3 =45

3x=45 - 3

3x=42

x=42 :3

x=14 (the first number, the smallest

14 +1 =15 (the second number

14 +2 =16 (the third number