6 oz of Pranav's Premium Coffee Blend was made by combining 2 oz of Arabica coffee beans which cost $12/oz with 4 oz of robusta coffee beans which cost $9/oz. Find the cost per oz of the mixture. SHow me how to do this so I will know how to do the other problems.

Question

anonymous · Answer

I will gladly appreciate if you help. Thank you very much.

anonymous · Answer

$12 oz * 2=  arabica
$9 oz *4 =  robusta

arabica + robusta =  pranav
just plug in the w

($12 oz * 2)+($9 oz *4 )= pranav

anonymous · Answer

hmmm my teacher uses the box and then he plugs it in like that. XD Do you know how to use the rectangular box version?

anonymous · Answer

|dw:1363159124065:dw|