Question 394653
Call the consecutive odd numbers
{{{n}}}, {{{n + 2}}}, {{{n + 4}}}, {{{n + 6}}}, and {{{n + 8}}}
given:
{{{( n + n + 2 + n + 4 + n + 6 + n + 8)/5 = 21}}}
{{{(5n + 20)/5 = 21}}}
{{{5n + 20 = 105}}}
{{{5n = 85}}}
{{{n = 17}}}
{{{n + 2 = 19}}}
{{{n + 4 = 21}}}
{{{n + 6 = 23}}}
{{{n + 8 = 25}}}
The answer is 17, so it's none of the choices given