Question 495793
{{{ ( 80*3.49 + 60*12.24 ) / ( 80 + 60 ) }}} = cost per ounce of lotion
{{{ ( 279.2 + 734.4 ) / 140 }}}
{{{ 1013.6 / 140 = 7.24 }}}
The lotion costs $7.24 / ounce