Question 1078535
Let {{{ c }}} = cost /pound of the coffee mixture
{{{ ( 7.5*12 + 5*15 ) / 27 = c }}}
{{{ c = ( 90 + 75 ) / 27 }}}
{{{ c = 165/27 }}}
{{{ c = 6.11 }}}
The cost /pound of the coffee mixture is
$6.11
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