Question

The shoe store has twice as many black shoes as it does brown shoes. The total number of shoes is 66. How many brown shoes are there?

Answer 1

$Black=2\times\ Brown$
$Black\ +\ Brown=66$
$2Brown+Brown=66$
$3Brown=66$
$Brown=22$
$Black=2Brown$
$Black=2(22)$
$Black=44$

There are 22 Brown shoes and 44 Black shoes.