Question

The sum of two consecutive odd integers is 244. What is the smaller integer?

119

125

123

121

Answer 1

you can rewrite any odd number as (2n + 1), so you can set up and equation that looks like:

(2n + 1) + (2n + 3) = 244

solve for n, then put it back in for 2n + 1

Answer 2

just divide it by 2 and the number below it and above it are the two consecutive odds