Question

The sum of three consecutive odd numbers is 93. What is the smallest of these numbers

Answer 1

$a,a+1,a+2-three\ consecutive\ odd\ numbers\\\\ a+a+1+a+2=93\\\\ 3a+3=93\ \ \ | subtract\ 3\\\\ 3a=90\ \ \ | divide\ by\ 3\\\\ a=30\\\\ The\ smallest\ number\ is\ 30.$