Question 629722
Let {{{ a }}} = the number of DVD's she bought
Let {{{ b }}} = the number of CD's she bought
given:
{{{ 16a = 12b }}} ( she spent the same on each )
{{{ a/b = 12/16 }}}
{{{ a/b =  3/4 }}}
3 DVDs and 4 CDs is the least she could have bought
{{{ 3*16 + 4*12 = 48 + 48 }}}
{{{ 2*48 = 96 }}}
The least she could have spent total was $96