Answer:
9 and 11
Explanation:
20 = 9 + 11
Algebraic approach
let the 2 consecutive odd numbers be n and n + 2 , then
n + n + 2 = 20 , that is
2n + 2 = 20 ( subtract 2 from both sides )
2n = 18 ( divide both sides by 2 )
n = 9 and n + 2 = 9 + 2 = 11
The 2 numbers are 9 and 11